<SEC-DOCUMENT>0001193125-19-117918.txt : 20190425
<SEC-HEADER>0001193125-19-117918.hdr.sgml : 20190425
<ACCEPTANCE-DATETIME>20190425070216
ACCESSION NUMBER:		0001193125-19-117918
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		71
CONFORMED PERIOD OF REPORT:	20190331
FILED AS OF DATE:		20190425
DATE AS OF CHANGE:		20190425

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:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08858
		FILM NUMBER:		19765317

	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>10-Q
<SEQUENCE>1
<FILENAME>d729694d10q.htm
<DESCRIPTION>10-Q
<TEXT>
<HTML><HEAD>
<TITLE>10-Q</TITLE>
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<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="5"><B>UNITED STATES </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="5"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="3"><B>WASHINGTON, D.C. 20549
</B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="5"><B>FORM <FONT STYLE="white-space:nowrap">10-Q</FONT> </B></FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="3"><B>QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="3"><B>OF THE SECURITIES EXCHANGE ACT OF 1934 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>For Quarter Ended March&nbsp;31,
2019 </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Commission File Number <U><FONT STYLE="white-space:nowrap">1-8858</FONT></U> </B></FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="6"><B>UNITIL CORPORATION </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B></B><I>(Exact name of registrant as specified in its charter)</I><B> </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>New Hampshire</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><FONT STYLE="white-space:nowrap">02-0381573</FONT></B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>(State or other jurisdiction of</B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>incorporation or organization)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>(I.R.S. Employer</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="1"><B>Identification No.)</B></FONT></P></TD></TR>
</TABLE> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6 Liberty Lane West, Hampton, New Hampshire</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>03842-1720</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>(Address of principal executive office)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>(Zip Code)</B></FONT></TD></TR>
</TABLE> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Registrant&#146;s telephone number, including area code: (603)
<FONT STYLE="white-space:nowrap">772-0775</FONT> </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Indicate by check mark whether the registrant (1)&nbsp;has filed all reports required to
be filed by Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)&nbsp;has been subject to such filing requirements
for the past 90 days.&nbsp;&nbsp;&nbsp;&nbsp;Yes<U></U>&nbsp;&nbsp;&#9746;&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;&#9744; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Indicate by check
mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation <FONT STYLE="white-space:nowrap">S-T</FONT> (&#167;232.405 of this chapter) during the preceding 12
months (or for such shorter period that the registrant was required to submit such files).&nbsp;&nbsp;&nbsp;&nbsp;Yes<U></U>&nbsp;&nbsp;&#9746;&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;&#9744; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a <FONT STYLE="white-space:nowrap">non-accelerated</FONT> filer, or a smaller reporting company. See the
definitions of &#147;large accelerated filer&#148;, &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Exchange Act. </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="16%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="60%"></TD>
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<TD WIDTH="20%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="1%"></TD></TR>


<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Large&nbsp;accelerated&nbsp;filer</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#9746;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accelerated&nbsp;filer</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#9744;</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap">Non-accelerated&nbsp;filer</FONT></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#9744;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Smaller&nbsp;reporting&nbsp;company</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#9744;</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Emerging&nbsp;growth&nbsp;company</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#9744;</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition
period for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a) of the Exchange Act&nbsp;&nbsp;&#9744; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Indicate by check mark whether the registrant is a shell company (as defined in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Exchange
Act).&nbsp;&nbsp;&nbsp;&nbsp;Yes<U></U>&nbsp;&nbsp;&#9744;&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;&#9746; <U></U><U></U><U></U><U></U><U></U><U></U><U></U><U></U> </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Indicate the number of shares outstanding of each of the issuer&#146;s classes of common stock, as of the latest practicable date. </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="48%"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Class</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Outstanding at April&nbsp;22,
2019</B></FONT></P></TD></TR>


<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Common Stock, no par value</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14,916,405 Shares</B></FONT></TD></TR>
</TABLE>

<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>FORM <FONT STYLE="white-space:nowrap">10-Q</FONT> </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>For the Quarter Ended March&nbsp;31, 2019 </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="toc"></A>Table of
Contents </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD></TR>
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<TD COLSPAN="3" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Page No.</B></FONT></TD></TR>


<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Part I. Financial Information</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;1.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_1">Financial Statements (Unaudited)</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_2">Consolidated Statements of Earnings - Three Months Ended March&nbsp;31, 2019 and 2018</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">19</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_3">Consolidated Balance Sheets, March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31,
2018</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap">20-21</FONT></FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_4">Consolidated Statements of Cash Flows - Three Months Ended March&nbsp;31, 2019 and 2018</A></FONT></P></TD>

<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">22</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_5">Consolidated Statements of Changes in Common Stock Equity - Three Months Ended March&nbsp;31, 2019 and
2018</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">23</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_6">Notes to Consolidated Financial Statements</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap">24-49</FONT></FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;2.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_7">Management&#146;s Discussion and Analysis of Financial Condition and Results of
Operations</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap">4-18</FONT></FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;3.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_8">Quantitative and Qualitative Disclosures About Market Risk</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">50</FONT></TD></TR>
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<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;4.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_9">Controls and Procedures</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">50</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" COLSPAN="3"> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px; margin-left:1.00em; text-indent:-1.00em"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Part II. Other Information</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD></TR>
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<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;1.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_10">Legal Proceedings</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">50</FONT></TD></TR>
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<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;1A.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_11">Risk Factors</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">50</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;2.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_12">Unregistered Sales of Equity Securities and Use of Proceeds</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">50</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;3.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_13">Defaults Upon Senior Securities</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Inapplicable</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;4.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_14">Mine Safety Disclosures</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Inapplicable</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;5.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_15">Other Information</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">51</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Item&nbsp;6.</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_16">Exhibits</A></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">52</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="#tx729694_17">Signatures</A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">53</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">2 </FONT></P>


<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>CAUTIONARY STATEMENT </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">This report and the documents incorporated by reference into this report contain statements that constitute &#147;forward-looking statements&#148; within the meaning of Section&nbsp;27A of the Securities
Act of 1933, Section&nbsp;21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact, included or incorporated by reference into this
report, including, without limitation, statements regarding the financial position, business strategy and other plans and objectives for the Company&#146;s future operations, are forward-looking statements. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">These statements include declarations regarding the Company&#146;s beliefs and current expectations. In some cases, forward-looking statements can be
identified by terminology such as &#147;may,&#148; &#147;will,&#148; &#147;should,&#148; &#147;expects,&#148; &#147;plans,&#148; &#147;anticipates,&#148; &#147;believes,&#148; &#147;estimates,&#148; &#147;predicts,&#148; &#147;potential&#148; or
&#147;continue,&#148; or the negative of such terms or other comparable terminology. These forward-looking statements are subject to inherent risks and uncertainties in predicting future results and conditions that could cause the actual results to
differ materially from those projected in these forward-looking statements. Some, but not all, of the risks and uncertainties include those described in Item&nbsp;1A (Risk Factors) and the following: </FONT></P>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">the Company&#146;s regulatory environment (including regulations relating to climate change, greenhouse gas emissions and other environmental matters),
which could affect the rates the Company is able to charge, the Company&#146;s authorized rate of return and the Company&#146;s ability to recover costs in its rates; </FONT></P></TD></TR></TABLE>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">fluctuations in the supply of, demand for, and the prices of energy commodities and transmission capacity and the Company&#146;s ability to recover
energy commodity costs in its rates; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">customers&#146; preferred energy sources; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">severe storms and the Company&#146;s ability to recover storm costs in its rates; </FONT></P></TD></TR></TABLE>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">the potential for disruption to the Company&#146;s operations due to cyber-attacks, computer viruses, human errors, acts of war or terrorism or other
reasons; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">the Company&#146;s stranded electric generation and generation-related supply costs and the Company&#146;s ability to recover stranded costs in its
rates; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">declines in the valuation of capital markets, which could require the Company to make substantial cash contributions to cover its pension obligations,
and the Company&#146;s ability to recover pension obligation costs in its rates; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">general economic conditions, which could adversely affect (i)&nbsp;the Company&#146;s customers and, consequently, the demand for the Company&#146;s
distribution services, (ii)&nbsp;the availability of credit and liquidity resources and (iii)&nbsp;certain of the Company&#146;s counterparties&#146; obligations (including those of its insurers and lenders); </FONT></P></TD></TR></TABLE>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">the Company&#146;s ability to obtain debt or equity financing on acceptable terms; </FONT></P></TD></TR></TABLE>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">increases in interest rates, which could increase the Company&#146;s interest expense; </FONT></P></TD></TR></TABLE>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">restrictive covenants contained in the terms of the Company&#146;s and its subsidiaries&#146; indebtedness, which restrict certain aspects of the
Company&#146;s business operations; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">variations in weather, which could decrease demand for the Company&#146;s distribution services; </FONT></P></TD></TR></TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">3 </FONT></P>


<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">long-term global climate change, which could adversely affect customer demand or cause extreme weather events that could disrupt the Company&#146;s
electric and natural gas distribution services; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">numerous hazards and operating risks relating to the Company&#146;s electric and natural gas distribution activities, which could result in accidents
and other operating risks and costs; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">catastrophic events; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">the Company&#146;s ability to retain its existing customers and attract new customers; and </FONT></P></TD></TR></TABLE>
<P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#149;</FONT></TD>
<TD WIDTH="1%" VALIGN="top"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">increased competition. </FONT></P></TD></TR></TABLE>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Many of these risks are beyond the Company&#146;s control. Any forward-looking statements speak only as of the date of this report, and the Company
undertakes no obligation to update any forward-looking statements to reflect events or circumstances after the date on which such statements are made or to reflect the occurrence of unanticipated events. New factors emerge from time to time, and it
is not possible for the Company to predict all of these factors, nor can the Company assess the impact of any such factor on its business or the extent to which any factor, or combination of factors, may cause results to differ materially from those
contained in any forward-looking statements. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>PART I. FINANCIAL INFORMATION </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_7"></A>Item&nbsp;2. Management&#146;s Discussion and Analysis of Financial Condition and Results of Operations (MD&amp;A) </I></B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>OVERVIEW </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Corporation (Unitil or
the Company) is a public utility holding company headquartered in Hampton, New Hampshire. Unitil is subject to regulation as a holding company system by the Federal Energy Regulatory Commission (FERC) under the Energy Policy Act of 2005. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil&#146;s principal business is the local distribution of electricity and natural gas throughout its service territory in the states of New
Hampshire, Massachusetts and Maine. Unitil is the parent company of three wholly-owned distribution utilities: </FONT></P> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">i)</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Energy Systems, Inc. (Unitil Energy), which provides electric service in the southeastern seacoast and state capital regions of New
Hampshire, including the capital city of Concord; </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">ii)</FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fitchburg Gas and Electric Light Company (Fitchburg), which provides both electric and natural gas service in the greater Fitchburg area of
north central Massachusetts; and </FONT></P></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%"><FONT SIZE="1">&nbsp;</FONT></TD>
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<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities, Inc. (Northern Utilities), which provides natural gas service in southeastern New Hampshire and portions of southern and
central Maine, including the city of Portland, which is the largest city in northern New England. </FONT></P></TD></TR></TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Energy, Fitchburg
and Northern Utilities are collectively referred to as the &#147;distribution utilities.&#148; Together, the distribution utilities serve approximately 105,600 electric customers and 82,700 natural gas customers in their service territory.
</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In addition, Unitil is the parent company of Granite State Gas Transmission, Inc. (Granite State), an
interstate natural gas transmission pipeline company, operating 86 miles of underground gas transmission pipeline primarily located in Maine and New Hampshire. Granite State provides Northern Utilities with interconnection to major natural gas
pipelines and access to domestic natural gas supplies in the south and Canadian natural gas supplies in the north.</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil had an investment in
Net Utility Plant of $1,037.8&nbsp;million at March&nbsp;31, 2019. Unitil&#146;s total operating revenue includes revenue to recover the approved cost of purchased electricity and natural gas in rates on a fully reconciling basis. As a result of
this reconciling rate structure, the Company&#146;s earnings are not directly affected by changes in the cost of purchased electricity and natural gas. Earnings from Unitil&#146;s utility operations are primarily derived from the return on
investment in the utility assets of the three distribution utilities and Granite State. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Resources is the Company&#146;s wholly-owned <FONT
STYLE="white-space:nowrap">non-regulated</FONT> subsidiary. Usource, Inc. and Usource L.L.C. (collectively, Usource), which the Company divested of in the first quarter of 2019, were wholly-owned subsidiaries of Unitil Resources. Usource provided
brokering and advisory services to large commercial and industrial customers in the northeastern United States. See additional discussion of the divestiture of Usource in &#147;Divestiture of <FONT STYLE="white-space:nowrap">Non-Regulated</FONT>
Business Subsidiary&#148; in Note 1 to the Consolidated Financial Statements. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s other subsidiaries include Unitil Service
Corp., which provides, at cost, a variety of administrative and professional services to Unitil&#146;s affiliated companies, Unitil Realty Corp., which owns and manages Unitil&#146;s corporate office building and property located in Hampton, New
Hampshire and Unitil Power Corp., which formerly functioned as the full requirements wholesale power supply provider for Unitil Energy. Unitil&#146;s consolidated net income includes the earnings of the holding company and these subsidiaries.
</FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>RATES AND REGULATION </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Regulation </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil is subject to
comprehensive regulation by federal and state regulatory authorities. Unitil and its subsidiaries are subject to regulation as a holding company system by the FERC under the Energy Policy Act of 2005 with regard to certain bookkeeping, accounting
and reporting requirements. Unitil&#146;s utility operations related to wholesale and interstate energy business activities are also regulated by the FERC. Unitil&#146;s distribution utilities are subject to regulation by the applicable state public
utility commissions, with regard to their rates, issuance of securities and other accounting and operational matters: Unitil Energy is subject to regulation by the New Hampshire Public Utilities Commission (NHPUC); Fitchburg is subject to regulation
by the Massachusetts Department of Public Utilities (MDPU); and Northern Utilities is regulated by the NHPUC and the Maine Public Utilities Commission (MPUC). Granite State, Unitil&#146;s interstate natural gas transmission pipeline, is subject to
regulation by the FERC with regard to its rates and operations. Because Unitil&#146;s primary operations are subject to rate regulation, the regulatory treatment of various matters could significantly affect the Company&#146;s operations and
financial position. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil&#146;s distribution utilities deliver electricity and/or natural gas to all customers in their service territory,
at rates established under cost of service regulation. Under this regulatory structure, Unitil&#146;s distribution utilities recover the cost of providing distribution service to their customers based on a historical test year, and earn a return on
their capital investment in utility assets. In addition, the Company&#146;s distribution utilities and its natural gas transmission pipeline company may also recover certain base rate costs, including capital project spending and enhanced
reliability and vegetation management programs, through annual step adjustments and cost tracker rate mechanisms. </FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fitchburg is subject to revenue decoupling. Revenue decoupling is the term given to the elimination of the
dependency of a utility&#146;s distribution revenue on the volume of electricity or natural gas sales. The difference between distribution revenue amounts billed to customers and the targeted revenue decoupling amounts is recognized as an increase
or a decrease in Accrued Revenue which forms the basis for resetting rates for future cash recoveries from, or credits to, customers. These revenue decoupling targets may be adjusted as a result of rate cases and other authorized adjustments that
the Company files with the MDPU. The Company estimates that revenue decoupling applies to approximately 27% and 11% of Unitil&#146;s total annual electric and natural gas sales volumes, respectively. </FONT></P>
<P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Tax Cuts and Jobs Act of 2017 </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">On
December&nbsp;22, 2017, the Tax Cuts and Jobs Act of 2017 (TCJA) was signed into law. Among other things, the TCJA substantially reduced the corporate income tax rate to 21&nbsp;percent, effective January&nbsp;1, 2018. Each state public utility
commission, with jurisdiction over the areas that are served by Unitil&#146;s electric and gas subsidiary companies, issued orders directing how the tax law changes were to be reflected in rates. Unitil has complied with these orders and has made
the required changes to its rates as directed by the commissions. The FERC has opened a rulemaking proceeding on this matter which has been addressed in a rate settlement filing by Granite State. More recently, on November&nbsp;15, 2018, the FERC
issued a Notice of Proposed Rulemaking and a Policy Statement to address the TCJA&#146;s effects on the Accumulated Deferred Income Taxes (ADIT) on transmission rates. Under the proposed rules all public utilities with transmission formula rates,
including Fitchburg, would be required to: (1)&nbsp;include mechanisms to deduct any excess ADIT from or add any deficient ADIT to their rate bases; (2)&nbsp;include mechanisms in those rates that would raise or lower their income tax allowances by
any amortized excess or deficient ADIT; and (3)&nbsp;incorporate a new permanent worksheet into their rates that will annually track information related to excess or deficient ADIT. The Company believes that these matters are substantially resolved
and will not have a material impact on its financial position, operating results, or cash flows. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Rate Case Activity </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Unitil Energy &#150; Base Rates &#150; </B>On April&nbsp;20, 2017 the NHPUC issued its final order providing for a permanent increase of
$4.1&nbsp;million, effective May&nbsp;1, 2017, followed by two annual rate step adjustments to recover the revenue requirements associated with certain capital expenditures. On April&nbsp;30, 2018, the NHPUC approved the first step increase,
effective May&nbsp;1, 2018. The filing incorporated the revenue requirement of $3.3&nbsp;million for 2017 plant additions, a reduction of $2.2&nbsp;million for the effect of the federal tax decrease pursuant to the TCJA, along with the termination
of the <FONT STYLE="white-space:nowrap">one-year</FONT> $1.4&nbsp;million reconciliation adjustment which had recouped the difference between temporary rates and final rates. The net effect of the three adjustments resulted in a revenue decrease of
$0.3&nbsp;million. On February&nbsp;28, 2019, Unitil Energy filed its second and final step adjustment seeking a revenue increase of approximately $340,000. On April 22, 2019 this final step adjustment was approved by the NHPUC, effective May 1,
2019. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Base Rates &#150; Electric &#150; </B>Fitchburg&#146;s base rates are decoupled, and subject to an annual revenue
decoupling adjustment mechanism, which includes a cap on the amount that rates may be increased in any year. In Fitchburg&#146;s last base rate order from the MDPU, issued in April 2016, the MDPU approved an annual capital cost recovery mechanism to
recover the revenue requirement associated with certain capital additions. On June&nbsp;28, 2018, Fitchburg filed its compliance report of capital investments for calendar year 2017. On November&nbsp;1, 2018, Fitchburg filed its cumulative revenue
requirement associated with the Company&#146;s 2015, 2016 and 2017 capital expenditures and associated Capital Cost Adjustment Factors to become </FONT></P>
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effective on January&nbsp;1, 2019. On December&nbsp;27, 2018, the Capital Cost Adjustment Factors were approved subject to further investigation and reconciliation. On April&nbsp;3, 2019, the
MDPU issued a final order approving Fitchburg&#146;s 2017 filing, which provides for the recovery of the sum of the revenue requirement and reconciliation adjustment of $0.4&nbsp;million. Final approval of the 2018 filing remains pending.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Base Rates &#150; Gas &#150; </B>Pursuant to the Company&#146;s revenue decoupling adjustment clause tariff, as approved
in its last base rate case, the Company is allowed to modify, on a semi-annual basis, its base distribution rates to an established revenue per customer target in order to mitigate economic, weather and energy efficiency impacts to the
Company&#146;s revenues. The MDPU has consistently found that the Company&#146;s filings are in accord with its approved tariffs, applicable law and precedent, and that they result in just and reasonable rates. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Gas System Enhancement Program &#150; </B>Pursuant to statute and MDPU order, Fitchburg has an approved Gas System Enhancement Plan
(GSEP) tariff through which it may recover certain gas infrastructure replacement and safety related investment costs, subject to an annual cap. Under the plan, the Company is required to make two annual filings with the MDPU: a forward-looking
filing for the subsequent construction year, to be filed on or before October 31; and a filing, submitted on or before May&nbsp;1, of final project documentation for projects completed during the prior year, demonstrating substantial compliance with
its plan in effect for that year and showing that project costs were reasonably and prudently incurred. While a number of the filings under the GSEP tariff may remain pending from
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">year-to-year</FONT></FONT> in any given year, the Company considers these to be routine regulatory proceedings and there are no material issues outstanding. Under this tariff, a
revenue increase of $0.9&nbsp;million went into effect on May&nbsp;1, 2018, subject to the annual cap and reconciliation. On October&nbsp;31, 2018, the MDPU approved the Company&#146;s request for a waiver of the annual cap in order to recover its
reconciliation adjustment of $0.4&nbsp;million effective November&nbsp;1, 2018 associated with its actual 2017 revenue requirement. On October&nbsp;31, 2018, the Company filed to increase the annual cap for two years and is seeking recovery of a
revenue increase of $0.8&nbsp;million, subject to the annual cap and reconciliation, for effect May&nbsp;1, 2019. This matter remains pending. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities &#150; Base Rates &#150; Maine &#150; </B>On February&nbsp;28, 2018, the MPUC issued its Final Order (Order) in Northern
Utilities&#146; most recent base rate case. The Order provided for an annual revenue increase of $2.1&nbsp;million before a reduction of $2.2&nbsp;million to incorporate the effect of the lower federal income tax rate under the TCJA. The MPUC Order
approved a return on equity of 9.5&nbsp;percent and a capital structure reflecting 50&nbsp;percent equity and 50&nbsp;percent long-term debt. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities &#150; Targeted Infrastructure Replacement Adjustment (TIRA) &#150; Maine &#150; </B>The settlement in Northern Utilities&#146;
Maine division&#146;s 2013 rate case allowed the Company to implement a TIRA rate mechanism to adjust base distribution rates annually to recover the revenue requirements associated with targeted investments in gas distribution system infrastructure
replacement and upgrade projects, including the Company&#146;s Cast Iron Replacement Program (CIRP). The TIRA had an initial term of four years and covered targeted capital expenditures in 2013 through 2016. In its Order in the most recent base rate
case (see above), the MPUC approved an extension of the TIRA mechanism, for an additional eight-year period, which will allow for annual rate adjustments through the end of the CIRP program. On May&nbsp;7, 2018, the MPUC approved the Company&#146;s
request to increase its annual base rates by 2.4%, or $1.1&nbsp;million, to recover the revenue requirements for 2017 eligible facilities. On April 17, 2019, the MPUC approved the Company&#146;s request to increase its annual base rates by 2.1%, or
$1.0 million, to recover the revenue requirements for 2018 eligible facilities. </FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities &#150; Base Rates &#150; New Hampshire &#150; </B>On May&nbsp;2, 2018, the NHPUC
approved a settlement agreement providing for an annual revenue increase of $2.6&nbsp;million, a reduction of annual revenue of $1.7&nbsp;million to reflect the effect of the TCJA, and a step increase of $2.3&nbsp;million to recover post-test year
capital investments, all effective May&nbsp;1, 2018 (with the revenue increase of $2.6&nbsp;million reconciling to the date of temporary rates of August&nbsp;1, 2017 and the revenue decrease for TCJA reconciling to January&nbsp;1, 2018), for a net
increase of approximately $3.2&nbsp;million. Under the terms of the agreement, on February&nbsp;27, 2019, the Company filed for a second step increase of approximately $1.4&nbsp;million of annual revenue for effect May&nbsp;1, 2019 to recover
eligible capital investments in 2018. This matter remains pending. According to the terms of the settlement agreement, Northern Utilities&#146; next distribution base rate case shall be based on an historic test year of no earlier than twelve months
ending December&nbsp;31, 2020. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Granite State &#150; Base Rates</B> &#150; On May&nbsp;2, 2018, Granite State filed an uncontested rate
settlement with FERC which provided for no change in rates, and accounted for the effects of a capital step adjustment offset by the effect of the TCJA. The settlement was approved by FERC on June&nbsp;27, 2018, and complies with the FERC Notice of
Proposed Rulemaking concerning the justness and reasonableness of rates in light of the corporate income tax reductions under the TCJA. The settlement also provides that Granite State may not file a general (Section 4) rate case prior to
April&nbsp;30, 2019. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>RESULTS OF OPERATIONS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The following section of MD&amp;A compares the results of operations for each of the two fiscal periods ended March&nbsp;31, 2019 and March&nbsp;31, 2018 and should be read in conjunction with the
accompanying unaudited Consolidated Financial Statements and the accompanying Notes to unaudited Consolidated Financial Statements included in Part I, Item 1 of this report, which are prepared in accordance with accounting principles generally
accepted in the United States of America (GAAP). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s results of operations reflect the seasonal nature of the natural gas
business. Annual gas revenues are substantially realized during the heating season as a result of higher sales of natural gas due to cold weather. Accordingly, the results of operations are historically most favorable in the first and fourth
quarters. Fluctuations in seasonal weather conditions may have a significant effect on the result of operations. Sales of electricity are generally less sensitive to weather than natural gas sales, but may also be affected by the weather conditions
in both the winter and summer seasons. Also, as a result of recent rate cases, the Company&#146;s natural gas sales margins are derived from a higher percentage of fixed billing components, including customer charges. Therefore, natural gas revenues
and margin will be less affected by the seasonal nature of the natural gas business. In addition, as previously discussed, approximately 27% and 11% of the Company&#146;s total annual electric and natural gas sales volumes, respectively, are
decoupled and changes in sales to existing customers do not affect sales margin. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Earnings Overview </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s Net Income was $26.5&nbsp;million, or $1.78 per share, for the first quarter of 2019, an increase of $10.9&nbsp;million in Net Income,
and $0.72 in Earnings Per Share, compared to the first quarter of 2018. In the first quarter of 2019; the Company recognized a <FONT STYLE="white-space:nowrap">one-time</FONT> net gain of $9.8&nbsp;million, or $0.66 in EPS, on the Company&#146;s
divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource. In addition, the Company&#146;s earnings in the first quarter of 2019 were driven by higher natural gas and electric sales margins, partially
offset by higher utility operating expenses. Earnings for the Company&#146;s utility operations were Net Income of $16.7&nbsp;million, or $1.12 per share, for the first quarter of 2019, an increase of $1.1&nbsp;million in Net Income, and $0.06 in
EPS compared to the first quarter of 2018. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Natural gas sales margins were $43.5&nbsp;million in the three months ended March&nbsp;31, 2019,
an increase of $3.6&nbsp;million compared to the same period in 2018. Gas sales margins in the first quarter of 2019 were positively affected by higher natural gas distribution rates of $2.6&nbsp;million and $1.0&nbsp;million from higher therm
sales, reflecting customer growth. </FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Natural gas therm sales increased 2.1% in the three months ended March&nbsp;31, 2019 compared to the same
period in 2018. The increase in gas therm sales in the Company&#146;s service areas was driven by customer growth. The Company estimates that weather-normalized gas therm sales, excluding decoupled sales, were up 5.0% in the first quarter of 2019
compared to the same period in 2018. As of March&nbsp;31, 2019, the number of natural gas customers served has increased by 1,533 compared to the prior year. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Electric sales margins were $23.1&nbsp;million in the three months ended March&nbsp;31, 2019, an increase of $0.8&nbsp;million compared to the same period in 2018. Electric sales margins in the first
quarter of 2019 were positively affected by higher electric distribution rates of $1.2&nbsp;million, partially offset by lower sales margin of $0.4&nbsp;million, reflecting lower kWh sales. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Total electric kilowatt-hour (kWh) sales decreased 4.3% compared to the first quarter of 2018. The decrease in kWh sales reflects a shorter billing cycle in the first quarter of 2019 combined with overall
lower average usage, including reduced usage by industrial customers for production purposes, partially offset by customer growth. As of March&nbsp;31, 2019, the number of electric customers served has increased by 549 over the last year.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operation&nbsp;and Maintenance (O&amp;M) expenses increased $1.2&nbsp;million in the three months ended March&nbsp;31, 2019 compared to the
same period in 2018. Excluding a <FONT STYLE="white-space:nowrap">non-recurring</FONT> adjustment to decrease O&amp;M expenses by $0.4&nbsp;million in the first quarter of 2018 in connection with a then ongoing base rate case for the Company&#146;s
New Hampshire natural gas utility; O&amp;M expenses increased $0.8&nbsp;million. The change in O&amp;M expenses reflects higher labor costs of $0.4&nbsp;million and higher utility operating costs of $0.4&nbsp;million. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Depreciation and Amortization expense increased $1.5&nbsp;million in the three months ended March&nbsp;31, 2019 compared to the same period in 2018,
reflecting higher utility plant in service partially offset by lower amortization. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Taxes Other Than Income Taxes increased $0.6&nbsp;million
in the three months ended March&nbsp;31, 2019 compared to the same period in 2018, primarily reflecting higher local property tax rates on higher levels of utility plant assets in service. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Other (Income) Expense, Net changed from an expense of $1.7&nbsp;million in the first quarter of 2018 to income of $12.1&nbsp;million in the first quarter of 2019, a net change of $13.8&nbsp;million. This
change primarily reflects a <FONT STYLE="white-space:nowrap">pre-tax</FONT> gain of $13.4&nbsp;million on the Company&#146;s divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource. The Usource
divestiture generated a capital gain to the Company and a $3.6&nbsp;million provision is included in the Company&#146;s first quarter income tax expense discussed below. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Interest Expense, Net increased $0.2&nbsp;million in the three months ended March&nbsp;31, 2019 compared to the same period in 2018, primarily reflecting higher short-term interest rates on higher levels
of short-term debt, partially offset by lower interest on long-term debt. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Federal and State Income Taxes increased $3.4&nbsp;million for the
three months ended March&nbsp;31, 2019 compared to the same period in 2018, primarily reflecting income taxes related to the Company&#146;s divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">At its January 2019 and April 2019 meetings, the Unitil Corporation Board of Directors declared quarterly dividends on the Company&#146;s
common stock of $0.37 per share. These quarterly dividends result in a current effective annualized dividend rate of $1.48 per share, representing an unbroken record of quarterly dividend payments since trading began in Unitil&#146;s common stock.
</FONT></P>
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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">A more detailed discussion of the Company&#146;s results of operations for the three months ended
March&nbsp;31, 2019 is presented below. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Gas Sales, Revenues and Margin </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B><I>Therm Sales &#150; </I></B>Unitil&#146;s total therm sales of natural gas increased 2.1% in the three months ended March&nbsp;31, 2019 compared to the same period in 2018, reflecting increases of
0.8% and 2.6% in sales to Residential and Commercial and Industrial (C&amp;I) customers, respectively. The increase in gas therm sales in the Company&#146;s service areas was driven by customer growth. The Company estimates that weather-normalized
gas therm sales, excluding decoupled sales, were up 5.0% in the first quarter of 2019 compared to the same period in 2018. As of March&nbsp;31, 2019, the number of natural gas customers served has increased by 1,533 compared to the prior year. As
previously discussed, sales margin derived from decoupled unit sales (representing approximately 11% of total annual therm sales volume) is not sensitive to changes in gas therm sales. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The following table details total firm therm sales for the three months ended March&nbsp;31, 2019 and 2018, by major customer class: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="78%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" COLSPAN="16" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Therm Sales (millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom">&nbsp;<FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="14" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>%&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>24.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">23.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Commercial / Industrial</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>72.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">70.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B>&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>96.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">94.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="17"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" COLSPAN="16"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Gas Operating Revenues and Sales Margin</I></B> &#150; The following table details total Gas Operating Revenues and
Sales Margin for the three months ended March&nbsp;31, 2019 and 2018:</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:1px"><FONT SIZE="1">&nbsp;</FONT></P></TD>
<TD VALIGN="top"> <P STYLE="margin-left:0em; text-indent:0em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I></I></B>&nbsp;</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:1px"></P></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" COLSPAN="16" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas Operating Revenues and Sales Margin (millions)</B></FONT></P></TD>

<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom">&nbsp;<FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="14" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>$&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>%&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gas Operating Revenues:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>35.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B>&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">35.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Commercial / Industrial</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B>&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>50.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B>&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">51.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(1.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Gas Operating Revenues</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>86.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">87.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cost of Gas Sales</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>42.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(8.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gas Sales Margin</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>43.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">39.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 3.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">9.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">10 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company analyzes operating results using Gas Sales Margin, a
<FONT STYLE="white-space:nowrap">non-GAAP</FONT> measure. Gas Sales Margin is calculated as Total Gas Operating Revenues (See &#147;Utility Revenue Recognition&#148; in Note 1 to the accompanying Consolidated Financial Statements) less Cost of Gas
Sales. The Company believes Gas Sales Margin is an important measure to analyze profitability because the approved cost of sales are tracked and reconciled costs that are passed through directly to the customer, resulting in an equal and offsetting
amount reflected in Total Gas Operating Revenue. Sales margin can be reconciled to Operating Income, a GAAP measure, by including Operation and Maintenance, Depreciation and Amortization and Taxes Other Than Income Taxes for each segment in the
analysis. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Natural gas sales margins were $43.5&nbsp;million in the three months ended March&nbsp;31, 2019, an increase of $3.6&nbsp;million
compared to the same period in 2018. Gas sales margins in the first quarter of 2019 were positively affected by higher natural gas distribution rates of $2.6&nbsp;million and $1.0&nbsp;million from higher therm sales, reflecting customer growth.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The decrease in Total Gas Operating Revenues of $0.6&nbsp;million in the first quarter of 2019 reflects lower cost of gas sales, which are
tracked and reconciled costs that are passed through directly to customers, partially offset by higher natural gas sales volumes. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Electric
Sales, Revenues and Margin </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Kilowatt-hour Sales</I></B> &#150; In the first quarter of 2019, Unitil&#146;s total electric kWh sales
decreased 4.3% compared to the first quarter of 2018. Sales to Residential and C&amp;I customers decreased 3.7% and 4.8%, respectively, in the first quarter of 2019 compared to the same period in 2018, reflecting a shorter billing cycle in the first
quarter of 2019 combined with overall lower average usage, including reduced usage by industrial customers for production purposes, partially offset by customer growth. As of March&nbsp;31, 2019, the number of electric customers served has increased
by 549 over the last year. As previously discussed, sales margins derived from decoupled unit sales (representing approximately 27% of total annual kWh sales volume) are not sensitive to changes in electric kWh sales. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The following table details total kWh sales for the three months ended March&nbsp;31, 2019 and 2018 by major customer class: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="75%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" COLSPAN="16" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>kWh Sales (millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom">&nbsp;<FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="14" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>%&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>181.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">188.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(7.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(3.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Commercial / Industrial</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>236.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">247.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(11.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B>&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>417.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">436.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(18.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">11 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Electric Operating Revenues and Sales Margin</I></B> &#150; The following table details total Electric
Operating Revenues and Sales Margin for the three months ended March&nbsp;31, 2019 and 2018: </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="78%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" COLSPAN="16" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Electric Operating Revenues and Sales Margin
(millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom">&nbsp;<FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="14" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>$&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>%&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Electric Operating Revenues:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>38.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">33.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Commercial / Industrial</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>26.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">23.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">9.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Electric Operating Revenues</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>64.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">57.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Cost of Electric Sales</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>41.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">35.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">18.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Electric Sales Margin</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>23.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">22.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company analyzes operating results using Electric Sales Margin, a <FONT STYLE="white-space:nowrap">non-GAAP</FONT>
measure. Electric Sales Margin is calculated as Total Electric Operating Revenues (See &#147;Utility Revenue Recognition&#148; in Note 1 to the accompanying Consolidated Financial Statements) less Cost of Electric Sales. The Company believes
Electric Sales Margin is an important measure to analyze profitability because the approved cost of sales are tracked and reconciled costs that are passed through directly to the customer resulting in an equal and offsetting amount reflected in
Total Electric Operating Revenues. Sales margin can be reconciled to Operating Income, a GAAP measure, by including Operation and Maintenance, Depreciation and Amortization and Taxes Other Than Income Taxes for each segment in the analysis.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Electric sales margins were $23.1&nbsp;million in the three months ended March&nbsp;31, 2019, an increase of $0.8&nbsp;million compared to
the same period in 2018. Electric sales margins in the first quarter of 2019 were positively affected by higher electric distribution rates of $1.2&nbsp;million, partially offset by lower sales margin of $0.4&nbsp;million, reflecting lower kWh
sales. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The increase in Total Electric Operating Revenues of $7.3&nbsp;million in the first quarter of 2019 reflects higher cost of electric
sales, which are tracked and reconciled costs that are passed through directly to customers, partially offset by lower sales of electricity. </FONT></P>
<P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Operating Revenue &#150; Other </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The
following table details total Other Operating Revenue for the three months ended March&nbsp;31, 2019 and 2018: </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="79%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" COLSPAN="16" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Other Operating Revenue (Millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom">&nbsp;<FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="14" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>$&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>%&nbsp;Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(30.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Other Operating Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(30.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">12 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Other Operating Revenue (See &#147;Other Operating Revenue &#150;
<FONT STYLE="white-space:nowrap">Non-regulated&#148;</FONT> in Note 1 to the accompanying Consolidated Financial Statements), which is comprised of revenues from the Company&#146;s <FONT STYLE="white-space:nowrap">non-regulated</FONT> energy
brokering business, Usource, decreased $0.4&nbsp;million, or 30.8% in the first quarter of 2019, compared to the first quarter of 2018, reflecting the Company&#146;s divestiture of Usource in the first quarter of 2019 (See &#147;Divestiture of <FONT
STYLE="white-space:nowrap">Non-Regulated</FONT> Business Subsidiary&#148; in Note 1 to the accompanying Consolidated Financial Statements). </FONT></P>
<P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Operating Expenses </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Cost of Gas
Sales</I></B> &#150; Cost of Gas Sales includes the cost of natural gas purchased and manufactured to supply the Company&#146;s total gas supply requirements and spending on energy efficiency programs. Cost of Gas Sales decreased $4.2&nbsp;million,
or 8.9%, in the three months ended March&nbsp;31, 2019 compared to the same period in 2019. This decrease reflects lower wholesale natural gas prices, partially offset by higher sales of natural gas. The Company reconciles and recovers the approved
Cost of Gas Sales in its rates at cost on a pass-through basis and therefore changes in approved expenses do not affect earnings. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Cost
of Electric Sales</I></B> &#150; Cost of Electric Sales includes the cost of electric supply as well as other energy supply related restructuring costs, including power supply buyout costs, and spending on energy efficiency programs. Cost of
Electric Sales increased $6.5&nbsp;million, or 18.5%, in the three months ended March&nbsp;31, 2019 compared to the same period in 2018. This increase reflects higher wholesale electricity prices and a decrease in the amount of electricity purchased
by customers directly from third-party suppliers, partially offset by lower sales of electricity. The Company reconciles and recovers the approved Cost of Electric Sales in its rates at cost on a pass-through basis and therefore changes in approved
expenses do not affect earnings. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Operation and Maintenance</I></B> &#150; O&amp;M expense includes electric and gas utility operating
costs, and the operating costs of the Company&#146;s other business activities. O&amp;M expenses increased $1.2&nbsp;million, or 6.9%, in the three months ended March&nbsp;31, 2019 compared to the same period in 2018. Excluding a <FONT
STYLE="white-space:nowrap">non-recurring</FONT> adjustment to decrease O&amp;M expenses by $0.4&nbsp;million in the first quarter of 2018 in connection with a then ongoing base rate case for the Company&#146;s New Hampshire natural gas utility;
O&amp;M expenses increased $0.8&nbsp;million, or 4.6%. The change in O&amp;M expenses reflects higher labor costs of $0.4&nbsp;million and higher utility operating costs of $0.4&nbsp;million. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B><I>Depreciation and Amortization</I></B> &#150; Depreciation and Amortization expense increased $1.5&nbsp;million, or 12.2%, in the three months ended March&nbsp;31, 2019 compared to the same period in
2018, reflecting higher utility plant in service partially offset by lower amortization. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Taxes Other Than Income Taxes</I></B> &#150;
Taxes Other Than Income Taxes increased $0.6&nbsp;million, or 10.3%, in the three months ended March&nbsp;31, 2019 compared to the same period in 2018, primarily reflecting higher local property tax rates on higher levels of utility plant assets in
service. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Other (Income) Expense, Net</I></B> &#150; Other (Income) Expense, Net changed from an expense of $1.7&nbsp;million in the
first quarter of 2018 to income of $12.1&nbsp;million in the first quarter of 2019, a net change of $13.8&nbsp;million. This change primarily reflects a <FONT STYLE="white-space:nowrap">pre-tax</FONT> gain of $13.4&nbsp;million on the Company&#146;s
divestiture of Usource, discussed above. The Usource divestiture generated a capital gain to the Company and a $3.6&nbsp;million provision is included in the Company&#146;s first quarter income tax expense discussed below. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Income Taxes</I></B> &#150; Federal and State Income Taxes increased $3.4&nbsp;million for the three months ended March&nbsp;31, 2019 compared to
the same period in 2018, primarily reflecting income taxes related to the Company&#146;s divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource, discussed above. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">13 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B><B><I>Interest Expense, Net</I></B><B> </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Interest expense is presented in the financial statements net of interest income. Interest expense is mainly comprised of interest on long-term debt and short-term borrowings. In addition, certain
reconciling rate mechanisms used by the Company&#146;s distribution operating utilities give rise to regulatory assets and regulatory liabilities on which interest is accrued. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Unitil&#146;s utility subsidiaries operate a number of reconciling rate mechanisms to recover specifically identified costs on a pass-through basis. These reconciling rate mechanisms track costs and
revenue on a monthly basis. In any given month, this monthly tracking and reconciling process will produce either an under-collected or an over-collected balance of costs. In accordance with the distribution utilities&#146; rate tariffs, interest is
accrued on these balances and will produce either interest income or interest expense. Consistent with regulatory precedent, interest income is recorded on an under-collection of costs which creates a regulatory asset to be recovered in future
periods when rates are reset. Interest expense is recorded on an over-collection of costs, which creates a regulatory liability to be refunded in future periods when rates are reset. </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Interest Expense, Net (millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="10" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three&nbsp;Months&nbsp;Ended&nbsp;March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Interest Expense</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Long-term Debt</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 5.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 5.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Short-term Debt</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Subtotal Interest Expense</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Interest (Income)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(0.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">AFUDC and Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(0.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Subtotal Interest (Income)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(0.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Interest Expense, Net</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 6.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 6.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest Expense, Net increased $0.2&nbsp;million in the three months ended March&nbsp;31, 2019 compared to the same
period in 2018, primarily reflecting higher short-term interest rates on higher levels of short-term debt, partially offset by lower interest on long-term debt. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>CAPITAL REQUIREMENTS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Sources of Capital </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil requires capital to fund utility plant additions, working capital and other utility expenditures recovered in subsequent periods through regulated
rates. The capital necessary to meet these requirements is derived primarily from internally-generated funds, which consist of cash flows from operating activities. The Company initially supplements internally-generated funds through short-term bank
borrowings, as needed, under its unsecured revolving Credit Facility. Periodically, the Company replaces portions of its short-term debt with long-term financings more closely matched to the long-term nature of its utility assets. Additionally, from
time to time, the Company has accessed the public capital markets through public offerings of equity securities. The Company&#146;s utility operations are seasonal in nature and are therefore subject to seasonal fluctuations in cash flows. The
amount, type and timing of any future financing will vary from year to year based on capital needs and maturity or redemptions of securities. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">14 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company and its subsidiaries are individually and collectively members of the Unitil Cash Pool (the
&#147;Cash Pool&#148;). The Cash Pool is the financing vehicle for <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">day-to-day</FONT></FONT> cash borrowing and investing. The Cash Pool allows for an efficient exchange of cash among
the Company and its subsidiaries. The interest rates charged to the subsidiaries for borrowing from the Cash Pool are based on actual interest costs from lenders under the Company&#146;s revolving Credit Facility (as defined below). At
March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the Company and all of its subsidiaries were in compliance with the regulatory requirements to participate in the Cash Pool. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">On July&nbsp;25, 2018, the Company entered into a Second Amended and Restated Credit Agreement and related documents (collectively, the &#147;Credit
Facility&#148;) with a syndicate of lenders, which amended and restated in its entirety the Company&#146;s prior credit facility. The Credit Facility extends to July&nbsp;25, 2023, subject to two <FONT STYLE="white-space:nowrap">one-year</FONT>
extensions under certain circumstances, and has a borrowing limit of $120&nbsp;million, which includes a $25&nbsp;million sublimit for the issuance of standby letters of credit. The Credit Facility provides the Company with the ability to elect that
borrowings under the Credit Facility bear interest under several options, including at a daily fluctuating rate of interest per annum equal to <FONT STYLE="white-space:nowrap">one-month</FONT> London Interbank Offered Rate plus 1.125%. The Company
may increase the borrowing limit under the Credit Facility by up to $50&nbsp;million under certain circumstances. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company utilizes the
Credit Facility for cash management purposes related to its short-term operating activities. Total gross borrowings were $75.7&nbsp;million for the three months ended March&nbsp;31, 2019. Total gross repayments were $92.7&nbsp;million for the three
months ended March&nbsp;31, 2019. The following table details the borrowing limits, amounts outstanding and amounts available under the Credit Facility as of March&nbsp;30, 2019, March&nbsp;30, 2018 and December&nbsp;31, 2018: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="73%"></TD>
<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="10" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Revolving&nbsp;Credit&nbsp;Facility&nbsp;($&nbsp;millions)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1">2018</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1">2018</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Limit</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>120.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">120.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">120.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Short-Term Borrowings Outstanding</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 65.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 45.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 82.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Available</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 54.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 74.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 37.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Credit Facility contains customary terms and conditions for credit facilities of this type, including affirmative and
negative covenants. There are restrictions on, among other things, the Company&#146;s and its subsidiaries&#146; ability to permit liens or incur indebtedness, and restrictions on the Company&#146;s ability to merge or consolidate with another
entity or change its line of business. The affirmative and negative covenants under the Credit Facility shall apply until the Credit Facility terminates and all amounts borrowed under the Credit Facility are paid in full (or with respect to letters
of credit, they are cash collateralized). The only financial covenant in the Credit Facility provides that Funded Debt to Capitalization (as each term is defined in the Credit Facility) cannot exceed 65%, tested on a quarterly basis. At
March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the Company was in compliance with the covenants contained in the Credit Facility in effect on that date. (See also &#147;Credit Arrangements&#148; in Note 4.) </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company believes the future operating cash flows of the Company, along with its existing borrowing availability and access to financial markets for
the issuance of new long-term debt, will be sufficient to meet any working capital and future operating requirements, and capital investment forecast opportunities. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">15 </FONT></P>



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<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">As discussed previously, the Company divested of its <FONT STYLE="white-space:nowrap">non-regulated</FONT>
subsidiary business, Usource, in the first quarter of 2019. The Company used the net proceeds of $9.8&nbsp;million from this divestiture for general corporate purposes. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">On November&nbsp;30, 2018 Unitil Energy issued $30&nbsp;million of First Mortgage Bonds due November&nbsp;30, 2048 at 4.18%. Unitil Energy used the net proceeds from this offering to repay short-term debt
and for general corporate purposes. Approximately $0.5&nbsp;million of costs associated with these issuances have been netted against long-term debt for presentation purposes on the Consolidated Balance Sheets. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In April 2014, Unitil Service Corp. entered into a financing arrangement, structured as a capital lease obligation, for various information systems and
technology equipment. Final funding under this capital lease occurred on October&nbsp;30, 2015, resulting in total funding of $13.4&nbsp;million. The capital lease matures on September&nbsp;30, 2020. As of March&nbsp;31, 2019, there are
$2.8&nbsp;million of current and $1.6&nbsp;million of noncurrent obligations under this capital lease on the Company&#146;s Consolidated Balance Sheets. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Unitil Corporation and its utility subsidiaries, Fitchburg, Unitil Energy, Northern Utilities, and Granite State are currently rated &#147;BBB+&#148; by Standard&nbsp;&amp; Poor&#146;s Ratings Services.
Unitil Corporation and Granite State are currently rated &#147;Baa2&#148;, and Fitchburg, Unitil Energy and Northern Utilities are currently rated &#147;Baa1&#148; by Moody&#146;s Investors Services. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The continued availability of various methods of financing, as well as the choice of a specific form of security for such financing, will depend on many
factors, including, but not limited to: security market conditions; general economic climate; regulatory approvals; the ability to meet covenant issuance restrictions; the level of earnings, cash flows and financial position; and the competitive
pricing offered by financing sources. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company provides limited guarantees on certain energy and natural gas storage management contracts
entered into by the distribution utilities. The Company&#146;s policy is to limit the duration of these guarantees. As of March&nbsp;31, 2019, there were approximately $4.3&nbsp;million of guarantees outstanding. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities enters into asset management agreements under which Northern Utilities releases certain natural gas pipeline and storage assets,
resells the natural gas storage inventory to an asset manager and subsequently repurchases the inventory over the course of the natural gas heating season at the same price at which it sold the natural gas inventory to the asset manager. There was
$2.2&nbsp;million, $1.0&nbsp;million and $8.4&nbsp;million of natural gas storage inventory at March&nbsp;31, 2019,&nbsp;March 31, 2018 and December&nbsp;31, 2018, respectively, related to these asset management agreements. The amount of natural gas
inventory released in March 2019 and payable in April 2019 is $2.1&nbsp;million and is recorded in Accounts Payable at March&nbsp;31, 2019. The amount of natural gas inventory released in March 2018 and payable in April 2018 was $1.0&nbsp;million
and was recorded in Accounts Payable at March&nbsp;31, 2018. The amount of natural gas inventory released in December 2018 and payable in January 2019 was $0.9&nbsp;million and was recorded in Accounts Payable at December&nbsp;31, 2018. </FONT></P>
<P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><FONT STYLE="white-space:nowrap">Off-Balance</FONT> Sheet Arrangements </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The Company and its subsidiaries do not currently use, and are not dependent on the use of, <FONT STYLE="white-space:nowrap">off-balance</FONT> sheet financing arrangements such as securitization of
receivables or obtaining access to assets or cash through special purpose entities or variable interest entities. Unitil Corporation&#146;s </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">16 </FONT></P>



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<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">
subsidiaries conduct a portion of their operations in leased facilities and also lease some of their vehicles, machinery and office equipment under both capital and operating lease arrangements.
Additionally, as of March&nbsp;31, 2019, there were approximately $4.3&nbsp;million of guarantees on certain energy and natural gas storage management contracts entered into by the distribution utilities outstanding. See Note 4 (Debt and Financing
Arrangements) to the accompanying Consolidated Financial Statements. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>CRITICAL ACCOUNTING POLICIES </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The preparation of the Company&#146;s financial statements in conformity with generally accepted accounting principles in the United States of America
requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and
expenses during the reporting period. In making those estimates and assumptions, the Company is sometimes required to make difficult, subjective and/or complex judgments about the impact of matters that are inherently uncertain and for which
different estimates that could reasonably have been used could have resulted in material differences in its financial statements. If actual results were to differ significantly from those estimates, assumptions and judgment, the financial position
of the Company could be materially affected and the results of operations of the Company could be materially different than reported. For a complete discussion of the Company&#146;s significant accounting policies, refer to Note 1 to the
Consolidated Financial Statements in this quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> and Note 1 to the Consolidated Financial Statements in the Company&#146;s Annual Report on Form
<FONT STYLE="white-space:nowrap">10-K,</FONT> as filed with the Securities and Exchange Commission on January&nbsp;31, 2019. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>LABOR
RELATIONS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">As of March&nbsp;31, 2019, the Company and its subsidiaries had 508 employees. The Company considers its relationship with
employees to be good and has not experienced any major labor disruptions. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">As of March&nbsp;31, 2019, a total of 164 employees of certain of
the Company&#146;s subsidiaries were represented by labor unions. The following table details by subsidiary the employees covered by a collective bargaining agreement (CBA) as of March&nbsp;31, 2019: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="75%"></TD>
<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Employees&nbsp;Covered</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>CBA&nbsp;Expiration</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fitchburg</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">45</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/31/2022</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities NH Division</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">34</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">06/05/2020</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities ME Division</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">39</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">03/31/2021</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Granite State</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">03/31/2021</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Energy</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">38</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/31/2023</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Service</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/31/2023</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The CBAs provide discrete salary adjustments, established work practices and uniform benefit packages. The Company
expects to negotiate new agreements prior to their expiration dates. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">17 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>INTEREST RATE RISK </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">As discussed above, Unitil meets its external financing needs by issuing short-term and long-term debt. The majority of debt outstanding represents long-term notes bearing fixed rates of interest. Changes
in market interest rates do not affect interest expense resulting from these outstanding long-term debt securities. However, the Company periodically repays its short-term debt borrowings through the issuance of new long-term debt securities.
Changes in market interest rates may affect the interest rate and corresponding interest expense on any new issuances of long-term debt securities. In addition, short-term debt borrowings bear a variable rate of interest. As a result, changes in
short-term interest rates will increase or decrease interest expense in future periods. For example, if the average amount of short-term debt outstanding was $25&nbsp;million for the period of one year, a change in interest rates of 1% would result
in a change in annual interest expense of approximately $250,000. The average interest rates on the Company&#146;s short-term borrowings and intercompany money pool transactions for the three months ended March&nbsp;31, 2019 and March&nbsp;31, 2018
were 3.7% and 2.9%, respectively. The average interest rate on the Company&#146;s short-term borrowings for the twelve months ended December&nbsp;31, 2018 was 3.3%. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>COMMODITY PRICE RISK </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Although Unitil&#146;s three distribution utilities are subject to
commodity price risk as part of their traditional operations, the current regulatory framework within which these companies operate allows for full collection of electric power and natural gas supply costs in rates on a pass-through basis.
Consequently, there is limited commodity price risk after consideration of the related rate-making. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>REGULATORY MATTERS </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Please refer to Note 6 to the unaudited Consolidated Financial Statements in Part I, Item 1 of this report for a discussion of Regulatory Matters.
</B></FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>ENVIRONMENTAL MATTERS </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Please refer to Note 7 to the unaudited Consolidated Financial Statements in Part I, Item 1 of this report for a discussion of Environmental Matters.
</B></FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">18 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_1"></A>Item&nbsp;1.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Financial Statements </I></B></FONT></P></TD></TR></TABLE> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="tx729694_2"></A>CONSOLIDATED STATEMENTS OF EARNINGS </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><I>(Millions, except per share data) </I> </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I></I>(UNAUDITED)<I> </I></FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="89%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three&nbsp;Months&nbsp;Ended</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;
31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Operating Revenues</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gas</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 86.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 87.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Electric</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>64.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">57.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Operating Revenues</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>152.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">145.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Operating Expenses</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cost of Gas Sales</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>42.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cost of Electric Sales</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>41.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">35.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operation and Maintenance</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>18.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">17.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Depreciation and Amortization</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>13.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Taxes Other than Income Taxes</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Operating Expenses</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>123.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">117.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Operating Income</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>28.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">28.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest Expense, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other (Income) Expense, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(12.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Income Before Income Taxes</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>34.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Provision For Income Taxes</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>8.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Net Income</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 15.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Income Per Common Share (Basic and Diluted)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 1.78</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 1.06</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Weighted Average Common Shares Outstanding &#150; (Basic and Diluted)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(The
accompanying notes are an integral part of these consolidated unaudited financial statements.) </I></FONT></P>

 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">19 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="tx729694_3"></A>CONSOLIDATED BALANCE SHEETS </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><I>(Millions) </I> </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I></I>(UNAUDITED)<I> </I></FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="76%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>ASSETS:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Current Assets:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash and Cash Equivalents</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 4.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 9.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accounts Receivable, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>73.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">74.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">66.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accrued Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>40.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">45.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">54.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Exchange Gas Receivable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gas Inventory</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Materials and Supplies</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Prepayments and Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Current Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>133.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">144.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">152.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Utility Plant:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gas</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>778.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">706.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">760.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Electric</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>511.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">478.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">500.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Common</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>61.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">69.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">83.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Construction Work in Progress</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>26.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">32.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">25.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Utility Plant</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,377.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,286.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,369.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Accumulated Depreciation</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>339.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">314.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">332.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Utility Plant</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,037.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">972.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,036.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Other Noncurrent Assets:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>97.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">111.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">99.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operating Lease Right of Use Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>16.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">16.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Other Noncurrent Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>118.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">127.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">109.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>TOTAL ASSETS</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,290.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,244.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,298.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(The
accompanying notes are an integral part of these consolidated unaudited financial statements.) </I></FONT></P>

 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">20 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>CONSOLIDATED BALANCE SHEETS (Cont.) </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><I>(Millions, except number of shares) </I></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">(UNAUDITED) </FONT></P>
<p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="76%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>

<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>LIABILITIES AND CAPITALIZATION:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Current Liabilities:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accounts Payable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>33.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">30.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">42.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Short-Term Debt</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>65.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">45.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">82.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Long-Term Debt, Current Portion</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>19.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">29.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">18.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">11.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Energy Supply Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">13.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest Payable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Current Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>19.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">19.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Current Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>164.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">146.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">192.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Noncurrent Liabilities:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Retirement Benefit Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>122.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">151.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">121.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Deferred Income Taxes, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>103.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">87.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">97.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cost of Removal Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>93.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">86.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">90.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>47.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">49.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Noncurrent Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Noncurrent Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>378.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">386.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">367.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Capitalization:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Long-Term Debt, Less Current Portion</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>373.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">363.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">387.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Stockholders&#146; Equity:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Common Equity (Authorized: 25,000,000 and Outstanding:14,916,044, 14,860,123 and 14,876,955 Shares)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>280.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">277.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">279.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Retained Earnings</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>93.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">71.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">72.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Common Stock Equity</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>373.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">348.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">351.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Preferred Stock</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Stockholders&#146; Equity</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>373.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">348.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">351.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Capitalization</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>746.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">711.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">738.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Commitments and Contingencies (Notes 6 &amp; 7)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>TOTAL LIABILITIES AND CAPITALIZATION</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,290.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,244.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,298.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(The accompanying notes are an integral part of these consolidated unaudited financial statements.)
</I></FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P>

 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">21 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY
COMPANIES</B><B><I></I></B><B></B><B><I>&nbsp;</I></B><B> </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="tx729694_4"></A>CONSOLIDATED STATEMENTS OF CASH FLOWS
</B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(Millions) </I></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">(UNAUDITED) </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="88%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three&nbsp;Months&nbsp;Ended</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;
31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Operating Activities:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Income</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 15.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Adjustments to Reconcile Net Income to Cash</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Provided by Operating Activities:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Depreciation and Amortization</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>13.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Deferred Tax Provision</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>8.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gain on Divestiture, Net (See Note 1)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(13.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Changes in Working Capital Items:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accounts Receivable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(7.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(7.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accrued Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Exchange Gas Receivable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Accounts Payable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(9.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(11.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Changes in Working Capital Items</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Deferred Regulatory and Other Charges</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(6.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(7.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash Provided by Operating Activities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>37.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">28.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Investing Activities:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Property, Plant and Equipment Additions</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(10.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(10.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Proceeds from Divestiture, Net (See Note 1)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>13.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash Provided by (Used in) Investing Activities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(10.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Financing Activities:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">(Repayment of) Proceeds from Short-Term Debt, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(17.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Repayment of Long-Term Debt</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(13.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(13.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Decrease in Capital Lease Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Decrease in Exchange Gas Financing</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(7.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(5.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Dividends Paid</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(5.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(5.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Proceeds from Issuance of Common Stock</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash (Used in) Financing Activities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(43.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(17.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net (Decrease) Increase in Cash and Cash Equivalents</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(3.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash and Cash Equivalents at Beginning of Period</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash and Cash Equivalents at End of Period</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 4.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 9.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Supplemental Cash Flow Information:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest Paid</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 3.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 3.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Income Taxes Paid</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Payments on Capital Leases</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 0.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap">Non-cash</FONT> Investing Activity:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:9.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Capital Expenditures Included in Accounts Payable</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 0.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:9.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">Right-of-Use</FONT></FONT> Assets Obtained in Exchange for
Lease Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 3.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(The
accompanying notes are an integral part of these consolidated unaudited financial statements.) </I></FONT></P>

 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">22 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="tx729694_5"></A>CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCK EQUITY </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(Millions, except number of shares) </I></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">(UNAUDITED) </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="83%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1">Common</FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1">Equity</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1">Retained<BR>Earnings</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1">Total</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Balance at January&nbsp;1, 2019</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">279.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">72.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>351.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Income</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">26.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Dividends on Common Shares</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(5.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(5.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Stock Compensation Plans</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Issuance of 5,939 Common Shares</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Balance at March&nbsp;31, 2019</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>280.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>93.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>373.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Balance at January&nbsp;1, 2018</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">275.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">60.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>336.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Income</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Dividends on Common Shares</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(5.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(5.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Stock Compensation Plans</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Issuance of 7,812 Common Shares</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Balance at March&nbsp;31, 2018</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>277.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>71.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>348.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(The
accompanying notes are an integral part of these consolidated unaudited financial statements.) </I></FONT></P>

 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">23 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="tx729694_6"></A>NOTES TO CONSOLIDATED FINANCIAL STATEMENTS </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">(UNAUDITED) </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 1 &#150;
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Nature of Operations</B> &#150; Unitil Corporation (Unitil or the Company) is a public
utility holding company. Unitil and its subsidiaries are subject to regulation as a holding company system by the Federal Energy Regulatory Commission (FERC) under the Energy Policy Act of 2005. The following companies are wholly-owned subsidiaries
of Unitil: Unitil Energy Systems, Inc. (Unitil Energy), Fitchburg Gas and Electric Light Company (Fitchburg), Northern Utilities, Inc. (Northern Utilities), Granite State Gas Transmission, Inc. (Granite State), Unitil Power Corp. (Unitil Power),
Unitil Realty Corp. (Unitil Realty), Unitil Service Corp. (Unitil Service) and its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business unit Unitil Resources, Inc. (Unitil Resources). Usource Inc. and Usource L.L.C., which the Company sold
in the first quarter of 2019, were wholly-owned subsidiaries of Unitil Resources. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s earnings are seasonal and are typically
higher in the first and fourth quarters when customers use natural gas for heating purposes. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil&#146;s principal business is the local
distribution of electricity in the southeastern seacoast and state capital regions of New Hampshire and the greater Fitchburg area of north central Massachusetts, and the local distribution of natural gas in southeastern New Hampshire, portions of
southern and central Maine and in the greater Fitchburg area of north central Massachusetts. Unitil has three distribution utility subsidiaries, Unitil Energy, which operates in New Hampshire, Fitchburg, which operates in Massachusetts and Northern
Utilities, which operates in New Hampshire and Maine (collectively referred to as the distribution utilities). </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Granite State is a natural gas
transportation pipeline, operating 86 miles of underground gas transmission pipeline primarily located in Maine and New Hampshire. Granite State provides Northern Utilities with interconnection to three major natural gas pipelines and access to
domestic natural gas supplies in the south and Canadian natural gas supplies in the north. Granite State derives its revenues principally from the transportation services provided to Northern Utilities and, to a lesser extent, third-party marketers.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">A fifth utility subsidiary, Unitil Power, formerly functioned as the full requirements wholesale power supply provider for Unitil Energy. In
connection with the implementation of electric industry restructuring in New Hampshire, Unitil Power ceased being the wholesale supplier of Unitil Energy on May&nbsp;1, 2003 and divested of its long-term power supply contracts through the sale of
the entitlements to the electricity associated with various electric power supply contracts it had acquired to serve Unitil Energy&#146;s customers. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Unitil also has three other wholly-owned subsidiaries: Unitil Service; Unitil Realty; and Unitil Resources. Unitil Service provides, at cost, a variety of administrative and professional services,
including regulatory, financial, accounting, human resources, engineering, operations, technology, energy management and management services on a centralized basis to its affiliated Unitil companies. Unitil Realty owns and manages the Company&#146;s
corporate office in Hampton, New Hampshire and leases this facility to Unitil Service under a long-term lease arrangement. Unitil Resources is the Company&#146;s wholly-owned <FONT STYLE="white-space:nowrap">non-regulated</FONT> subsidiary. Usource,
Inc. and Usource L.L.C. (collectively, Usource), which the Company divested of in the first quarter of 2019, were wholly-owned subsidiaries of Unitil Resources. Usource provided brokering and advisory services to large commercial and industrial
customers in the northeastern United States. See additional discussion of the divestiture of Usource below. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">24 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Basis of Presentation &#150;</B> The accompanying unaudited consolidated financial statements of Unitil
have been prepared in accordance with the instructions to Form <FONT STYLE="white-space:nowrap">10-Q</FONT> and include all of the information and footnotes required by generally accepted accounting principles. In the opinion of management, all
adjustments considered necessary for a fair presentation have been included. The results of operations for the three months ended March&nbsp;31, 2019 are not necessarily indicative of results to be expected for the year ending December&nbsp;31,
2019. For further information, please refer to Note 1 of Part II to the Consolidated Financial Statements &#150; &#147;Summary of Significant Accounting Policies&#148; of the Company&#146;s Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the
year ended December&nbsp;31, 2018, as filed with the Securities and Exchange Commission (SEC) on January&nbsp;31, 2019, for a description of the Company&#146;s Basis of Presentation. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Divestiture of <FONT STYLE="white-space:nowrap">Non-Regulated</FONT> Business Subsidiary &#150; </B>On March&nbsp;1, 2019, the Company divested of its
<FONT STYLE="white-space:nowrap">non-regulated</FONT> energy brokering and advisory business subsidiary, Usource. The Company recognized an <FONT STYLE="white-space:nowrap">after-tax</FONT> net gain of approximately $9.8&nbsp;million on this
divestiture in the first quarter of 2019. The <FONT STYLE="white-space:nowrap">pre-tax</FONT> net gain of approximately $13.4&nbsp;million on this divestiture is included in Other Income (Expense), Net on the Consolidated Statements of Earnings for
the three months ended March&nbsp;31, 2019, while the income taxes associated with this transaction of $3.6&nbsp;million are included in the Provision For Income Taxes. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Utility Revenue Recognition &#150;</B> Gas Operating Revenues and Electric Operating Revenues consist of billed and unbilled revenue and revenue from rate adjustment mechanisms. Billed and unbilled
revenue includes delivery revenue and pass-through revenue, recognized according to tariffs approved by federal and state regulatory commissions which determine the amount of revenue the Company will record for these items. Revenue from rate
adjustment mechanisms is accrued revenue, recognized in connection with rate adjustment mechanisms, and authorized by regulators for recognition in the current period for future cash recoveries from, or credits to, customers. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Billed and unbilled revenue is recorded when service is rendered or energy is delivered to customers. However, the determination of energy sales to
individual customers is based on the reading of their meters, which occurs on a systematic basis throughout the month. At the end of each calendar month, amounts of energy delivered to customers since the date of the last meter reading are estimated
and the corresponding unbilled revenues are calculated. These unbilled revenues are calculated each month based on estimated customer usage by class and applicable customer rates and are then reversed in the following month when billed to customers.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">A majority of the Company&#146;s revenue from contracts with customers continues to be recognized on a monthly basis based on applicable
tariffs and customer monthly consumption. Such revenue is recognized using the invoice practical expedient which allows an entity to recognize revenue in the amount that directly corresponds to the value transferred to the customer. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s billed and unbilled revenue meets the definition of &#147;revenues from contracts with customers&#148; as defined in ASU <FONT
STYLE="white-space:nowrap">2014-09.</FONT> Revenue recognized in connection with rate adjustment mechanisms is consistent with the definition of alternative revenue programs in Accounting Standards Codification (ASC)
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">980-605-25-3,</FONT></FONT></FONT> as the Company has the ability to adjust rates in the future as a result of past activities or completed events.
ASU <FONT STYLE="white-space:nowrap">2014-09</FONT> requires the Company to disclose separately the amount of revenues from contracts with customers and alternative revenue program revenues. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">25 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In the following tables, revenue is classified by the types of goods/services rendered and market/customer
type. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="80%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="10" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>&nbsp;&nbsp;&nbsp;&nbsp;Three&nbsp;Months&nbsp;Ended&nbsp;March&nbsp;31,&nbsp;2019&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas and Electric Operating Revenues ($ millions):</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Electric</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Total</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Billed and Unbilled Revenue:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">38.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">35.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 74.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">C&amp;I</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">54.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">24.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">78.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Billed and Unbilled Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">99.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">62.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">161.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Rate Adjustment Mechanism Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(12.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(10.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Gas and Electric Operating Revenues</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 86.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>64.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>151.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="78%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="10" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>&nbsp;&nbsp;&nbsp;&nbsp;Three&nbsp;Months&nbsp;Ended&nbsp;March&nbsp;31,&nbsp;2018&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas and Electric Operating Revenues ($ millions):</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Electric</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Total</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Billed and Unbilled Revenue:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">35.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">34.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 70.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">C&amp;I</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">50.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">24.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">74.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Billed and Unbilled Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">91.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">61.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">153.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Rate Adjustment Mechanism Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(8.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Gas and Electric Operating Revenues</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>87.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>57.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>144.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fitchburg is subject to revenue decoupling. Revenue decoupling is the term given to the elimination of the dependency of
a utility&#146;s distribution revenue on the volume of electricity or natural gas sales. The difference between distribution revenue amounts billed to customers and the targeted revenue decoupling amounts is recorded as an increase or a decrease in
Accrued Revenue, which forms the basis for resetting rates for future cash recoveries from, or credits to, customers. These revenue decoupling targets may be adjusted as a result of rate cases that the Company files with the MDPU. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Other Operating Revenue &#150; <FONT STYLE="white-space:nowrap">Non-regulated</FONT> &#150; </B>Other Operating Revenue consists solely of<B>
</B>revenue from Usource, Unitil&#146;s <FONT STYLE="white-space:nowrap">non-regulated</FONT> subsidiary, which, as discussed previously, the Company divested of on March&nbsp;1, 2019. Usource conducted its business activities as a broker of
competitive energy services. Usource did not take title to the electric and gas commodities which were the subject of the brokerage contracts. The Company recorded energy brokering revenues based upon the amount of electricity and gas delivered to
customers through the end of the accounting period. Usource partnered with certain entities to facilitate these brokerage services and paid these entities a fee under revenue sharing agreements. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Income Taxes &#150;</B> The Company is subject to Federal and State income taxes as well as various other business taxes. This process involves
estimating the Company&#146;s current tax liabilities as well as assessing temporary and permanent differences resulting from the timing of the deductions of expenses and recognition of taxable income for tax and book accounting purposes. These
temporary differences result in deferred tax assets and liabilities, which are included in the Company&#146;s Consolidated Balance Sheets. The Company accounts for income tax assets, liabilities and expenses in accordance with the FASB Codification
guidance on Income Taxes. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">26 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company classifies penalty and interest expense related to income tax liabilities as income tax expense
and interest expense, respectively, in the Consolidated Statements of Earnings. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Provisions for income taxes are calculated in each of the
jurisdictions in which the Company operates for each period for which a statement of earnings is presented. The Company accounts for income taxes in accordance with the FASB Codification guidance on Income Taxes, which requires an asset and
liability approach for the financial accounting and reporting of income taxes. Significant judgments and estimates are required in determining the current and deferred tax assets and liabilities. The Company&#146;s current and deferred tax assets
and liabilities reflect its best assessment of estimated future taxes to be paid. In accordance with the FASB Codification, the Company periodically assesses the realization of its deferred tax assets and liabilities and adjusts the income tax
provision, the current tax liability and deferred taxes in the period in which the facts and circumstances which gave rise to the revision become known. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Cash and Cash Equivalents &#150; </B>Cash and Cash Equivalents includes all cash and cash equivalents to which the Company has legal title. Cash equivalents include short-term investments with original
maturities of three months or less and interest bearing deposits. The Company&#146;s cash and cash equivalents are held at financial institutions and at times may exceed federally insured limits. The Company has not experienced any losses in such
accounts. Under the Independent System Operator &#150; New England <FONT STYLE="white-space:nowrap">(ISO-NE)</FONT> Financial Assurance Policy (Policy), Unitil&#146;s subsidiaries Unitil Energy, Fitchburg and Unitil Power are required to provide
assurance of their ability to satisfy their obligations to <FONT STYLE="white-space:nowrap">ISO-NE.</FONT> Under this Policy, Unitil&#146;s subsidiaries provide cash deposits covering approximately <FONT STYLE="white-space:nowrap">2-1/2</FONT>
months of outstanding obligations, less credit amounts that are based on the Company&#146;s credit rating. As of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the Unitil subsidiaries had deposited $3.0&nbsp;million,
$3.3&nbsp;million and $3.5&nbsp;million, respectively to satisfy their <FONT STYLE="white-space:nowrap">ISO-NE</FONT> obligations. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Allowance for Doubtful Accounts &#150;</B> The Company recognizes a provision for doubtful accounts each month based upon the Company&#146;s
experience in collecting electric and gas utility service accounts receivable in prior years. At the end of each month, an analysis of the delinquent receivables is performed which takes into account an assumption about the cash recovery of
delinquent receivables. The analysis also calculates the amount of <FONT STYLE="white-space:nowrap">written-off</FONT> receivables that are recoverable through regulatory rate reconciling mechanisms. The Company&#146;s distribution utilities are
authorized by regulators to recover the costs of their energy commodity portion of bad debts through rate mechanisms. Also, the electric and gas divisions of Fitchburg are authorized to recover through rates past due amounts associated with hardship
accounts that are protected from <FONT STYLE="white-space:nowrap">shut-off.</FONT> Evaluating the adequacy of the Allowance for Doubtful Accounts requires judgment about the assumptions used in the analysis. It has been the Company&#146;s experience
that the assumptions it has used in evaluating the adequacy of the Allowance for Doubtful Accounts have proven to be reasonably accurate. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The
Allowance for Doubtful Accounts as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, which are included in Accounts Receivable, Net on the accompanying unaudited consolidated balance sheets, was as follows: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="10" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Allowance for Doubtful Accounts</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Accrued Revenue &#150; </B>Accrued Revenue includes the current portion of Regulatory Assets and unbilled revenues.
The following table shows the components of Accrued Revenue as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">27 </FONT></P>



<p Style='page-break-before:always'>
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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Accrued Revenue ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Regulatory Assets &#150; Current</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>29.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">34.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">41.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unbilled Revenues</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">13.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Accrued Revenue</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>40.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">45.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">54.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Exchange Gas Receivable &#150;</B><I> </I>Northern Utilities and Fitchburg have gas exchange and storage agreements
whereby natural gas purchases during the months of April through October are delivered to a third party. The third party delivers natural gas back to the Company during the months of November through March. The exchange and storage gas volumes are
recorded at weighted average cost. The following table shows the components of Exchange Gas Receivable as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018. </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Exchange Gas Receivable ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fitchburg</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Exchange Gas Receivable</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Gas Inventory</B> &#150; The Company uses the weighted average cost methodology to value natural gas inventory. The
following table shows the components of Gas Inventory as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas Inventory ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Natural Gas</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Propane</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Liquefied Natural Gas&nbsp;&amp; Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Gas Inventory</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 0.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Utility Plant &#150;</B> The cost of additions to Utility Plant and the cost of renewals and betterments are
capitalized. Cost consists of labor, materials, services and certain indirect construction costs, including an allowance for funds used during construction (AFUDC). The costs of current repairs and minor replacements are charged to appropriate
operating expense accounts. The original cost of utility plant retired or otherwise disposed of is charged to the accumulated provision for depreciation. The Company includes in its mass asset depreciation rates, which are periodically reviewed as
part of its ratemaking proceedings, cost of removal amounts to provide for future negative salvage value. At March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the Company estimates that the cost of removal amounts, which are
recorded on the Consolidated Balance Sheets in Cost of Removal Obligations are $93.7&nbsp;million, $86.6&nbsp;million, and $90.7&nbsp;million, respectively. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">28 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Leases &#150; </B>On January&nbsp;1, 2019, the Company adopted ASU
<FONT STYLE="white-space:nowrap">No.&nbsp;2016-02,</FONT> &#147;Leases (Topic 842)&#148;<I>.</I> The new standard requires lessees to record assets and liabilities on the balance sheet for all leases with terms longer than 12 months. Leases will be
classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The Company elected the package of practical expedients permitted under the transition guidance within the new
standard, which among other things, allows the Company to carryforward the historical lease classification. The Company also elected the practical expedient related to land easements, allowing the Company to carry forward its current accounting
treatment for land easements on existing agreements. The Company made an accounting policy election to keep leases with an initial term of 12 months or less off of the balance sheet. The Company recognizes those lease payments in the Consolidated
Statements of Earnings on a straight-line basis over the lease term.&nbsp;The adoption of the standard resulted in recognition of approximately $4.2&nbsp;million of lease assets and lease liabilities as of January&nbsp;1, 2019 on the Company&#146;s
Consolidated Balance Sheets. The Company&#146;s adoption of the standard did not have a material effect on its Consolidated Statements of Earnings and Consolidated Statements of Cash Flows.&nbsp;See additional discussion below in the
&#147;Leases&#148; section of Note 4 to the Consolidated Financial Statements. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Regulatory Accounting &#150;</B> The Company&#146;s
principal business is the distribution of electricity and natural gas by the three distribution utilities: Unitil Energy, Fitchburg and Northern Utilities. Unitil Energy and Fitchburg are subject to regulation by the FERC. Fitchburg is also
regulated by the Massachusetts Department of Public Utilities (MDPU), Unitil Energy is regulated by the New Hampshire Public Utilities Commission (NHPUC) and Northern Utilities is regulated by the Maine Public Utilities Commission (MPUC) and NHPUC.
Granite State, the Company&#146;s natural gas transmission pipeline, is regulated by the FERC. Accordingly, the Company uses the Regulated Operations guidance as set forth in the FASB Codification. The Company has recorded Regulatory Assets and
Regulatory Liabilities which will be recovered from customers, or applied for customer benefit, in accordance with rate provisions approved by the applicable public utility regulatory commission. </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="78%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Regulatory Assets consist of the following ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Retirement Benefits</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 72.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 85.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 72.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Energy Supply&nbsp;&amp; Other Rate Adjustment Mechanisms</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>25.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">31.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">38.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Deferred Storm Charges</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Environmental</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">9.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Income Taxes</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Deferred Charges</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>11.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Regulatory Assets</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>127.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">145.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">140.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Current Portion of Regulatory Assets</FONT><FONT STYLE="font-family:Times New Roman" SIZE="1"><SUP
STYLE="vertical-align:baseline; position:relative; bottom:.8ex">(1)</SUP></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>29.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">34.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">41.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Regulatory Assets &#150; noncurrent</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 97.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">111.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 99.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Reflects amounts included in Accrued Revenue, discussed above, on the Company&#146;s Consolidated Balance Sheets.
</FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">29 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


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<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Regulatory Liabilities consist of the following ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Income Taxes (Note 8)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>48.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">49.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Energy Supply&nbsp;&amp; Other Rate Adjustment Mechanisms</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>13.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">11.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Gas Pipeline Refund (Note 6)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Regulatory Liabilities</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>62.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">60.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">58.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Current Portion of Regulatory Liabilities</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">11.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Regulatory Liabilities &#150; noncurrent</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>47.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">49.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Generally, the Company receives a return on investment on its regulated assets for which a cash outflow has been made.
Included in Regulatory Assets as of March&nbsp;31, 2019 are $5.9&nbsp;million of environmental costs, rate case costs and other expenditures to be recovered over varying periods in the next seven years. Regulators have authorized recovery of these
expenditures, but without a return. Regulatory commissions can reach different conclusions about the recovery of costs, which can have a material impact on the Company&#146;s Consolidated Financial Statements. The Company believes it is probable
that its regulated distribution and transmission utilities will recover their investments in long-lived assets, including regulatory assets. If the Company, or a portion of its assets or operations, were to cease meeting the criteria for application
of these accounting rules, accounting standards for businesses in general would become applicable and immediate recognition of any previously deferred costs, or a portion of deferred costs, would be required in the year in which the criteria are no
longer met, if such deferred costs were not recoverable in the portion of the business that continues to meet the criteria for application of the FASB Codification topic on Regulated Operations. If unable to continue to apply the FASB Codification
provisions for Regulated Operations, the Company would be required to apply the provisions for the Discontinuation of Rate-Regulated Accounting included in the FASB Codification. In the Company&#146;s opinion, its regulated operations will be
subject to the FASB Codification provisions for Regulated Operations for the foreseeable future. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Derivatives &#150;</B> The Company&#146;s
regulated energy subsidiaries enter into energy supply contracts to serve their electric and gas customers. The Company follows a procedure for determining whether each contract qualifies as a derivative instrument under the guidance provided by the
FASB Codification on Derivatives and Hedging. For each contract, the Company reviews and documents the key terms of the contract. Based on those terms and any additional relevant components of the contract, the Company determines and documents
whether the contract qualifies as a derivative instrument as defined in the FASB Codification. The Company has determined that none of its energy supply contracts qualify as a derivative instrument under the guidance set forth in the FASB
Codification. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Investments in Marketable Securities</B> &#150; The Company has a trust through which it invests in a variety of equity and
fixed income mutual funds. These funds are intended to satisfy obligations under the Company&#146;s Supplemental Executive Retirement Plan (SERP) (See further discussion of the SERP in Note 9. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">At March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the fair value of the Company&#146;s investments in these trading securities,
which are recorded on the Consolidated Balance Sheets in Other Assets, were $5.1&nbsp;million, $5.1 and $4.8&nbsp;million, respectively, as shown in the table below. These investments are valued based on quoted prices from active markets and are
categorized in Level&nbsp;1 as they are actively traded and no valuation adjustments have been applied. Changes in the fair value of these investments are recorded in Other Expense, Net. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">30 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Fair Value of Marketable Securities ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Equity Funds</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fixed Income Funds</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Money Market Funds</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Marketable Securities</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 5.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 4.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company also sponsors the Unitil Corporation Deferred Compensation Plan (the &#147;DC Plan&#148;). The DC Plan is a <FONT
STYLE="white-space:nowrap">non-qualified</FONT> deferred compensation plan that provides a vehicle for participants to accumulate <FONT STYLE="white-space:nowrap">tax-deferred</FONT> savings to supplement retirement income. The DC Plan, which was
effective January&nbsp;1, 2019, is open to senior management or other highly compensated employees as determined by the Company&#146;s Board of Directors, and may also be used for recruitment and retention purposes for newly hired senior executives.
The DC Plan design mirrors the Company&#146;s Tax Deferred Savings and Investment Plan formula, but provides for contributions on compensation above the IRS limit, which will allow participants to defer up to 85% of base salary, and up to 85% of any
cash incentive for retirement. The Company may also elect to make discretionary contributions on behalf of any participant in an amount determined by the Company&#146;s Board of Directors. A trust has been established to invest the funds associated
with the DC Plan. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">At March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the fair value of the Company&#146;s investments in
these trading securities related to the DC Plan, which are recorded on the Consolidated Balance Sheets in Other Assets, were $0.1&nbsp;million, $0 and $0, respectively, as shown in the table below. These investments are valued based on quoted prices
from active markets and are categorized in Level&nbsp;1 as they are actively traded and no valuation adjustments have been applied. Changes in the fair value of these investments are recorded in Other Expense, Net. </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Fair Value of Marketable Securities ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Equity Funds</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Money Market Funds</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Marketable Securities</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Energy Supply Obligations &#150; </B>The following discussion and table summarize the nature and amounts of the items
recorded as Energy Supply Obligations (current portion) and Other Noncurrent Liabilities (noncurrent portion) on the Company&#146;s Consolidated Balance Sheets. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">31 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="81%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Energy Supply Obligations ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Current:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Exchange Gas Obligation</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 7.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Renewable Energy Portfolio Standards</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Power Supply Contract Divestitures</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Energy Supply Obligations &#150; Current</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">13.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Long-Term:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Power Supply Contract Divestitures</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Energy Supply Obligations</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 8.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Exchange Gas Obligation</B> &#150; As discussed above, Northern Utilities enters into gas exchange agreements under
which Northern Utilities releases certain natural gas pipeline and storage assets, resells the natural gas storage inventory to an asset manager and subsequently repurchases the inventory over the course of the natural gas heating season at the same
price at which it sold the natural gas inventory to the asset manager. The gas inventory related to these agreements is recorded in Exchange Gas Receivable on the Company&#146;s Consolidated Balance Sheets while the corresponding obligations are
recorded in Energy Supply Obligations. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Renewable Energy Portfolio Standards</B> &#150; Renewable Energy Portfolio Standards (RPS) require
retail electricity suppliers, including public utilities, to demonstrate that required percentages of their sales are met with power generated from certain types of resources or technologies. Compliance is demonstrated by purchasing and retiring
Renewable Energy Certificates (REC) generated by facilities approved by the state as qualifying for REC treatment. Unitil Energy and Fitchburg purchase RECs in compliance with RPS legislation in New Hampshire and Massachusetts for supply provided to
default service customers. RPS compliance costs are a supply cost that is recovered in customer default service rates. Unitil Energy and Fitchburg collect RPS compliance costs from customers throughout the year and demonstrate compliance for each
calendar year on the following July 1. Due to timing differences between collection of revenue from customers and payment of REC costs to suppliers, Unitil Energy and Fitchburg typically maintain accrued revenue for RPS compliance which is recorded
in Accrued Revenue with a corresponding liability in Energy Supply Obligations on the Company&#146;s Consolidated Balance Sheets. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Fitchburg
has entered into long-term renewable contracts for the purchase of clean energy and/or renewable energy certificates (RECs) pursuant to Massachusetts legislation, specifically, An Act Relative to Green Communities (&#147;Green Communities Act&#148;,
2008), An Act Relative to Competitively Priced Electricity in the Commonwealth (2012)&nbsp;and An Act to Promote Energy Diversity (&#147;Energy Diversity Act&#148;, 2016). The generating facilities associated with four of these contracts have been
constructed and are now operating. Since 2017, the Company has participated in two major statewide procurements which resulted in contracts for imported hydroelectric power and associated transmission and for offshore wind generation. The contracts
were filed with MDPU in 2018 and approvals remain pending. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Additional long-term clean energy contracts are expected in compliance with the
Energy Diversity Act and An Act to Promote a Clean Energy Future (2018). Fitchburg recovers the costs associated with long-term renewable contracts on a fully reconciling basis through a MDPU-approved cost recovery mechanism. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">32 </FONT></P>



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<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Power Supply Contract Divestitures &#150; </B>Unitil Energy&#146;s and Fitchburg&#146;s customers are
entitled to purchase their electric or natural gas supplies from third-party suppliers. In connection with the implementation of retail choice, Unitil Power, which formerly functioned as the wholesale power supply provider for Unitil Energy, and
Fitchburg divested their long-term power supply contracts through the sale of the entitlements to the electricity sold under those contracts. Unitil Energy and Fitchburg recover in their rates all the costs associated with the divestiture of their
power supply portfolios and have secured regulatory approval from the NHPUC and MDPU, respectively, for the recovery of power supply-related stranded costs. The obligations related to these divestitures are recorded in Energy Supply Obligations
(current portion) and Other Noncurrent Liabilities (noncurrent portion) on the Company&#146;s Consolidated Balance Sheets with corresponding regulatory assets recorded in Accrued Revenue (current portion) and Regulatory Assets (noncurrent portion).
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Recently Issued Pronouncements &#150; </B>In February 2016, the FASB issued ASU <FONT STYLE="white-space:nowrap">No.&nbsp;2016-02,</FONT>
&#147;Leases (Topic 842)&#148;. The new standard requires lessees to record assets and liabilities on the balance sheet for all leases with terms longer than 12 months. The Company adopted the standard as of January&nbsp;1, 2019. See
&#147;Leases&#148; above in Note 1. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other than the pronouncement discussed above, there are no recently issued pronouncements that the
Company has not already adopted or that have a material impact on the Company. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Subsequent Events &#150;</B> The Company evaluates all
events or transactions through the date of the related filing. During the period through the date of this filing, the Company did not have any material subsequent events that would result in adjustment to or disclosure in its Consolidated Financial
Statements. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 2 &#150; DIVIDENDS DECLARED PER SHARE </B></FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="92%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="30%"></TD>
<TD VALIGN="bottom" WIDTH="17%"></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="17%"></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="17%"></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Declaration</B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000 ; display:table-cell;" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Date</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Date<BR>Paid<BR>(Payable)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Shareholder&nbsp;of</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Record&nbsp;Date</B></FONT></TD>

<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Dividend</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Amount</B></FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-left:1.00em; text-indent:-1.00em" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">04/24/19</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/29/19</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/15/19</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">$&nbsp;0.370</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-left:1.00em; text-indent:-1.00em" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">01/30/19</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">02/28/19</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">02/14/19</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">$&nbsp;0.370</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-left:1.00em; text-indent:-1.00em" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">10/24/18</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">11/29/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">11/15/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">$0.365</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-left:1.00em; text-indent:-1.00em" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">07/25/18</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">08/29/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">08/15/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">$0.365</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-left:1.00em; text-indent:-1.00em" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">04/25/18</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/29/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">05/15/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">$&nbsp;0.365</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-left:1.00em; text-indent:-1.00em" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">01/30/18</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">02/28/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">02/14/18</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">$&nbsp;0.365</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">33 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 3 &#150; SEGMENT INFORMATION </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The following table provides significant segment financial data for the three months ended March&nbsp;31, 2019 and March&nbsp;31, 2018: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TR>
<TD WIDTH="71%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom">&nbsp;<FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Gas</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Electric</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Non-</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Regulated</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Other</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Total</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31, 2019 ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Revenues:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Billed and Unbilled Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 99.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 62.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> &#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> &#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 161.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Rate Adjustment Mechanism Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(12.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(10.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Operating Revenue &#150; <FONT STYLE="white-space:nowrap">Non-Regulated</FONT></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Operating Revenues</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 86.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 64.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> &#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 152.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Segment Profit (Loss)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>13.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Identifiable Segment Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>771.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>502.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>16.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,290.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Capital Expenditures</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31, 2018 ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD COLSPAN="2" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Revenues:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Billed and Unbilled Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 91.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 61.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> &#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> &#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 153.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Rate Adjustment Mechanism Revenue</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(8.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Operating Revenue &#150; <FONT STYLE="white-space:nowrap">Non-Regulated</FONT></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Operating Revenues</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 87.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 57.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 1.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> &#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;145.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Segment Profit (Loss)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(0.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Identifiable Segment Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">712.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">481.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">42.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,244.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Capital Expenditures</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">34 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 4 &#150; DEBT AND FINANCING ARRANGEMENTS </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Details on long-term debt at March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018 are shown below: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="79%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Unitil Corporation:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.33% Senior Notes, Due May&nbsp;1, 2022</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>20.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.70% Senior Notes, Due August&nbsp;1, 2026</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>30.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">30.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">30.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Unitil Energy First Mortgage Bonds:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.24% Senior Secured Notes, Due March&nbsp;2, 2020</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.49% Senior Secured Notes, Due October&nbsp;14, 2024</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>6.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.96% Senior Secured Notes, Due September&nbsp;1, 2028</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>20.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.00% Senior Secured Notes, Due May&nbsp;1, 2031</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.32% Senior Secured Notes, Due September&nbsp;15, 2036</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.18% Senior Secured Notes, Due November&nbsp;30, 2048</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>30.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">30.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.75% Senior Notes, Due November&nbsp;30, 2023</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.79% Senior Notes, Due October&nbsp;15, 2025</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.52% Senior Notes, Due November&nbsp;1, 2027</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.37% Senior Notes, Due January&nbsp;15, 2029</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>12.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.90% Senior Notes, Due December&nbsp;15, 2030</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.98% Senior Notes, Due June&nbsp;1, 2031</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.32% Senior Notes, Due November&nbsp;1, 2047</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.95% Senior Notes, Due December&nbsp;3, 2018</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">10.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.29% Senior Notes, Due March&nbsp;2, 2020</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>8.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">16.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">16.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.52% Senior Notes, Due November&nbsp;1, 2027</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>20.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">20.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.72% Senior Notes, Due December&nbsp;3, 2038</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>50.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">50.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">50.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.42% Senior Notes, Due October&nbsp;15, 2044</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>50.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">50.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">50.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.32% Senior Notes, Due November&nbsp;1, 2047</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>30.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">30.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">30.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Granite State:</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.15% Senior Notes, Due December&nbsp;15, 2018</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.72% Senior Notes, Due November&nbsp;1, 2027</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>15.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Long-Term Debt</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>395.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">396.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">409.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Unamortized Debt Issuance Costs</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Long-Term Debt, net of Unamortized Debt Issuance Costs</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>392.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">392.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">405.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Current Portion</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>19.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">29.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">18.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Long-term Debt, Less Current Portion</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>373.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">363.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">387.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">35 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Currently, the Company believes that there is no active market in the Company&#146;s debt securities, which
have all been sold through private placements. If there were an active market for the Company&#146;s debt securities, the fair value of the Company&#146;s long-term debt would be estimated based on the quoted market prices for the same or similar
issues, or on the current rates offered to the Company for debt of the same remaining maturities. The fair value of the Company&#146;s long-term debt is estimated using Level&nbsp;2 inputs (valuations based on quoted prices available in active
markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in inactive markets, inputs other than quoted prices that are directly observable, and inputs derived principally from market data.) In
estimating the fair value of the Company&#146;s long-term debt, the assumed market yield reflects the Moody&#146;s Baa Utility Bond Average Yield. Costs, including prepayment costs, associated with the early settlement of long-term debt are not
taken into consideration in determining fair value. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


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<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Estimated Fair Value of Long-Term Debt</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>418.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">428.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">422.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Credit Arrangements </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">On July&nbsp;25, 2018, the Company entered into a Second Amended and Restated Credit Agreement and related documents (collectively, the &#147;Credit Facility&#148;) with a syndicate of lenders, which
amended and restated in its entirety the Company&#146;s prior credit facility. The Credit Facility extends to July&nbsp;25, 2023, subject to two <FONT STYLE="white-space:nowrap">one-year</FONT> extensions under certain circumstances, and has a
borrowing limit of $120&nbsp;million, which includes a $25&nbsp;million sublimit for the issuance of standby letters of credit. The Credit Facility provides the Company with the ability to elect that borrowings under the Credit Facility bear
interest under several options, including at a daily fluctuating rate of interest per annum equal to <FONT STYLE="white-space:nowrap">one-month</FONT> London Interbank Offered Rate plus 1.125%. The Company may increase the borrowing limit under the
Credit Facility by up to $50&nbsp;million under certain circumstances. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company utilizes the Credit Facility for cash management purposes
related to its short-term operating activities. Total gross borrowings were $75.7&nbsp;million for the three months ended March&nbsp;31, 2019. Total gross repayments were $92.7&nbsp;million for the three months ended March&nbsp;31, 2019. The
following table details the borrowing limits, amounts outstanding and amounts available under the Credit Facility as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TR>
<TD WIDTH="79%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="10" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Revolving Credit
Facility</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>($&nbsp;millions)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Limit</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>120.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">120.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">120.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Short-Term Borrowings Outstanding</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 65.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 45.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 82.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Available</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 54.2</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 74.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 37.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Credit Facility contains customary terms and conditions for credit facilities of this type, including affirmative and
negative covenants. There are restrictions on, among other things, the Company&#146;s and its subsidiaries&#146; ability to permit liens or incur indebtedness, and restrictions on the Company&#146;s ability to merge or consolidate with another
entity or change its line of business. The affirmative and negative covenants under the Credit Facility shall apply until the Credit </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">36 </FONT></P>



<p Style='page-break-before:always'>
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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">
Facility terminates and all amounts borrowed under the Credit Facility are paid in full (or with respect to letters of credit, they are cash collateralized). The only financial covenant in the
Credit Facility provides that Funded Debt to Capitalization (as each term is defined in the Credit Facility) cannot exceed 65%, tested on a quarterly basis. At March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, the Company was in
compliance with the covenants contained in the Credit Facility in effect on that date. (See also &#147;Credit Arrangements&#148; in Note 4.) </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company believes the future operating cash flows of the Company, along with its existing borrowing availability and access to financial markets for
the issuance of new long-term debt, will be sufficient to meet any working capital and future operating requirements, and capital investment forecast opportunities. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The weighted average interest rates on all short-term borrowings and intercompany money pool transactions were 3.7% and 2.9% for the three months ended March&nbsp;31, 2019 and March&nbsp;31, 2018,
respectively. The weighted average interest rate on all short-term borrowings for the twelve months ended December&nbsp;31, 2018 was 3.3%. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">As
discussed previously, the Company divested of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> subsidiary business, Usource, in the first quarter of 2019. The Company used the net proceeds of $9.8&nbsp;million from this divestiture for
general corporate purposes. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">On November&nbsp;30, 2018 Unitil Energy issued $30&nbsp;million of First Mortgage Bonds due November&nbsp;30,
2048 at 4.18%. Unitil Energy used the net proceeds from this offering to repay short-term debt and for general corporate purposes. Approximately $0.5&nbsp;million of costs associated with these issuances have been netted against long-term debt for
presentation purposes on the Consolidated Balance Sheets. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In April 2014, Unitil Service Corp. entered into a financing arrangement,
structured as a capital lease obligation, for various information systems and technology equipment. Final funding under this capital lease occurred on October&nbsp;30, 2015, resulting in total funding of $13.4&nbsp;million. The capital lease matures
on September&nbsp;30, 2020. As of March&nbsp;31, 2019, there are $2.8&nbsp;million of current and $1.6&nbsp;million of noncurrent obligations under this capital lease on the Company&#146;s Consolidated Balance Sheets. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Corporation and its utility subsidiaries, Fitchburg, Unitil Energy, Northern Utilities, and Granite State are currently rated &#147;BBB+&#148; by
Standard&nbsp;&amp; Poor&#146;s Ratings Services. Unitil Corporation and Granite State are currently rated &#147;Baa2&#148;, and Fitchburg, Unitil Energy and Northern Utilities are currently rated &#147;Baa1&#148; by Moody&#146;s Investors Services.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities enters into asset management agreements under which Northern Utilities releases certain natural gas pipeline and storage
assets, resells the natural gas storage inventory to an asset manager and subsequently repurchases the inventory over the course of the natural gas heating season at the same price at which it sold the natural gas inventory to the asset manager.
There was $2.2&nbsp;million, $1.0&nbsp;million and $8.4&nbsp;million of natural gas storage inventory at March&nbsp;31, 2019,&nbsp;March 31, 2018 and December&nbsp;31, 2018, respectively, related to these asset management agreements. The amount of
natural gas inventory released in March 2019 and payable in April 2019 is $2.1&nbsp;million and is recorded in Accounts Payable at March&nbsp;31, 2019. The amount of natural gas inventory released in March 2018 and payable in April 2018 was
$1.0&nbsp;million and was recorded in Accounts Payable at March&nbsp;31, 2018. The amount of natural gas inventory released in December 2018 and payable in January 2019 was $0.9&nbsp;million and was recorded in Accounts Payable at December&nbsp;31,
2018. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">37 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Guarantees </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The Company provides limited guarantees on certain energy and natural gas storage management contracts entered into by the distribution utilities. The Company&#146;s policy is to limit the duration of
these guarantees. As of March&nbsp;31, 2019, there were approximately $4.3&nbsp;million of guarantees outstanding. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Leases </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil&#146;s subsidiaries and also lease some of their vehicles, machinery and office equipment under both capital and operating lease arrangements.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total rental expense under operating leases charged to operations for the three months ended March&nbsp;31, 2019 and 2018 amounted to
$0.4&nbsp;million and $0.5&nbsp;million, respectively. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The balance sheet classification of the Company&#146;s lease obligations was as
follows: </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>December&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Lease Obligations ($ millions)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operating Lease Obligations:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Current Liabilities (current portion)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Noncurrent Liabilities (long-term portion)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Operating Lease Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Capital Lease Obligations:</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Current Liabilities (current portion)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 3.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 3.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Noncurrent Liabilities (long-term portion)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total Capital Lease Obligations</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 8.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 5.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Lease Obligations</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>8.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B>&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 8.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 5.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cash paid for amounts included in the measurement of operating lease obligations for the three months ended
March&nbsp;31, 2019 was $0.4&nbsp;million and was included in Cash Provided by Operating Activities on the Consolidated Statements of Cash Flows. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Assets under capital leases amounted to approximately $14.9&nbsp;million, $15.0&nbsp;million and $15.0&nbsp;million as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018, respectively,
less accumulated amortization of $1.8&nbsp;million, $1.1&nbsp;million and $1.7&nbsp;million, respectively and are included in Net Utility Plant on the Company&#146;s Consolidated Balance Sheets. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The following table is a schedule of future operating lease payment obligations and future minimum lease payments under capital leases as of
March&nbsp;31, 2019. The payments for capital leases consist of $3.0&nbsp;million of current capital lease obligations, which are included in Other Current Liabilities and $1.9&nbsp;million of noncurrent capital lease obligations, which are included
in Other Noncurrent Liabilities, on the Company&#146;s Consolidated Balance Sheets as of March&nbsp;31, 2019. $2.8&nbsp;million of the current capital lease obligations and $1.6&nbsp;million of the noncurrent capital lease obligations reflect
amounts under a financing arrangement entered into in April 2014 for various information systems and technology equipment. The financing arrangement is structured as a capital lease obligation. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The payments for operating leases consist of $1.1&nbsp;million of current operating lease obligations, which are included in Other Current Liabilities
and $2.8&nbsp;million of noncurrent operating lease obligations, which are included in Other Noncurrent Liabilities, on the Company&#146;s Consolidated Balance Sheets as of March&nbsp;31, 2019. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">38 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="86%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Lease Payments ($000&#146;s)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Operating</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Capital</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Year Ending December&nbsp;31,</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Leases</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Leases</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Rest of 2019</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 967</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2,369</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2020</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,141</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2,576</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2021</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">972</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">96</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2022</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">691</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">33</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2023</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">391</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2024-2028</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">119</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Payments</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4,281</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5,089</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Interest</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">426</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">122</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Amount of Lease Obligations Recorded on Consolidated Balance Sheets</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3,855</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4,967</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operating lease obligations are based on the net present value of the remaining lease payments over the remaining lease
term. In determining the present value of lease payments, the Company used the interest rate stated in each lease agreement. As of March&nbsp;31, 2019, the weighted average remaining lease term is 3.9 years and the weighted average operating
discount rate used to determine the operating lease obligations was 5.3%. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><U>Disclosures Related to Periods Prior to the Adoption of ASU NO. <FONT
STYLE="white-space:nowrap">2016-02</FONT> &#150; Leases (See Note 1). </U></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The payment amounts in the following table, which are as of
December&nbsp;31, 2018, would not differ substantially from the payment amounts as of March&nbsp;31, 2018. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="86%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Lease Payments ($000&#146;s)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Operating</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Capital</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Year Ending December&nbsp;31,</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Leases</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Leases</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2019</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,372</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3,069</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2020</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,138</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2,535</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2021</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">969</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">93</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2022</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">689</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">32</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2023</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">390</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2024-2028</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">120</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Payments</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4,678</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5,743</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 5 &#150; COMMON STOCK AND PREFERRED STOCK </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Common Stock </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s common stock trades on the New York Stock Exchange under
the symbol, &#147;UTL.&#148; </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company had 14,860,123, 14,876,955 and 14,916,044 shares of common stock outstanding at March&nbsp;31, 2018,
December&nbsp;31, 2018 and March&nbsp;31, 2019, respectively. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Dividend Reinvestment and Stock Purchase Plan &#150;</B> During the first
quarter of 2019, the Company sold 5,939 shares of its common stock, at an average price of $52.98 per share, in connection with its Dividend Reinvestment and Stock Purchase Plan (DRP) and its 401(k) plans resulting in net proceeds of approximately
$314,700. The DRP provides participants in the plan a method for investing cash dividends on the Company&#146;s common stock and cash payments in additional shares of the Company&#146;s common stock. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">39 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Stock Plan &#150;</B> The Company maintains the Unitil Corporation Second Amended and Restated 2003 Stock
Plan (the Stock Plan). Participants in the Stock Plan are selected by the Compensation Committee of the Board of Directors to receive awards under the Stock Plan, including awards of restricted shares (Restricted Shares), or of restricted stock
units (Restricted Stock Units). The Compensation Committee has the authority to determine the sizes of awards; determine the terms and conditions of awards in a manner consistent with the Stock Plan; construe and interpret the Stock Plan and any
agreement or instrument entered into under the Stock Plan as they apply to participants; establish, amend, or waive rules and regulations for the Stock Plan&#146;s administration as they apply to participants; and, subject to the provisions of the
Stock Plan, amend the terms and conditions of any outstanding award to the extent such terms and conditions are within the discretion of the Compensation Committee as provided for in the Stock Plan. On April&nbsp;19, 2012, the Company&#146;s
shareholders approved an amendment to the Stock Plan to, among other things, increase the maximum number of shares of common stock available for awards to plan participants. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The maximum number of shares available for awards to participants under the Stock Plan is 677,500. The maximum number of shares that may be awarded in any one calendar year to any one participant is
20,000. In the event of any change in capitalization of the Company, the Compensation Committee is authorized to make an equitable adjustment to the number and kind of shares of common stock that may be delivered under the Stock Plan and, in
addition, may authorize and make an equitable adjustment to the Stock Plan&#146;s annual individual award limit. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><U>Restricted Shares
</U></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Outstanding awards of Restricted Shares fully vest over a period of four years at a rate of 25% each year. During the vesting period,
dividends on Restricted Shares underlying the award may be credited to a participant&#146;s account. The Company may deduct or withhold, or require a participant to remit to the Company, an amount sufficient to satisfy any taxes required by federal,
state, or local law or regulation to be withheld with respect to any taxable event arising in connection with an Award. For purposes of compensation expense, Restricted Shares vest immediately upon a participant becoming eligible for retirement, as
defined in the Stock Plan. Prior to the end of the vesting period, the restricted shares are subject to forfeiture if the participant ceases to be employed by the Company other than due to the participant&#146;s death. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">On January&nbsp;29, 2019, 33,150 Restricted Shares were issued in conjunction with the Stock Plan with an aggregate market value at the date of issuance
of approximately $1.6&nbsp;million. There were 60,496 and 90,882 <FONT STYLE="white-space:nowrap">non-vested</FONT> shares under the Stock Plan as of March&nbsp;31, 2019 and 2018, respectively. The weighted average grant date fair value of these
shares was $46.23 and $41.93, respectively. The compensation expense associated with the issuance of shares under the Stock Plan is being recognized over the vesting period and was $1.7&nbsp;million and $1.8&nbsp;million for the three months ended
March&nbsp;31, 2019 and 2018, respectively. At March&nbsp;31, 2019, there was approximately $1.3&nbsp;million of total unrecognized compensation cost under the Stock Plan which is expected to be recognized over approximately 3.0 years. During the
three months ended March&nbsp;31, 2019 there were no forfeitures and no cancellations under the Stock Plan. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><U>Restricted Stock Units
</U></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Restricted Stock Units earn dividend equivalents and will generally be settled by payment to each Director as soon as practicable
following the Director&#146;s separation from service to the Company. The Restricted Stock Units will be paid such that the Director will receive (i)&nbsp;70% of the shares of the Company&#146;s common stock underlying the restricted stock units and
(ii)&nbsp;cash in an amount equal to the fair market value of 30% of the shares of the Company&#146;s common stock underlying </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">40 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">
the Restricted Stock Units. The equity portion of Restricted Stock Units activity during the three months ended March&nbsp;31, 2019 in conjunction with the Stock Plan are presented in the
following table: </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="81%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" COLSPAN="8" NOWRAP ALIGN="center" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Restricted Stock Units (Equity
Portion)</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Units</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Weighted</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Average</B></FONT><br><FONT
STYLE="font-family:Times New Roman" SIZE="1"><B>Stock</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Price</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Restricted Stock Units as of December&nbsp;31, 2018</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">61,789</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">38.25</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Restricted Stock Units Granted</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Dividend Equivalents Earned</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">417</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">54.91</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Restricted Stock Units Settled</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Restricted Stock Units as of March&nbsp;31, 2019</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>62,206</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>38.36</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">There were 52,677 Restricted Stock Units outstanding as of March&nbsp;31, 2018 with a weighted average stock price of
$36.27. Included in Other Noncurrent Liabilities on the Company&#146;s Consolidated Balance Sheets as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018 is $1.4&nbsp;million, $1.0&nbsp;million and $1.3&nbsp;million, respectively,
representing the fair value of liabilities associated with the portion of fully vested RSUs that will be settled in cash. <B></B> </FONT></P>
<P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Preferred Stock </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">There was
$0.2&nbsp;million, or 1,893 shares, of Unitil Energy&#146;s 6.00% Series Preferred Stock outstanding as of March&nbsp;31, 2019, March&nbsp;31, 2018 and December&nbsp;31, 2018. There were less than $0.1&nbsp;million of total dividends declared on
Preferred Stock in each of the three month periods ended March&nbsp;31, 2019 and March&nbsp;31, 2018, respectively. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 6 &#150;
REGULATORY MATTERS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL&#146;S REGULATORY MATTERS ARE DESCRIBED IN NOTE 8 TO THE FINANCIAL STATEMENTS IN ITEM 8 OF PART II OF UNITIL
CORPORATION&#146;S FORM <FONT STYLE="white-space:nowrap">10-K</FONT> FOR DECEMBER&nbsp;31, 2018 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY&nbsp;31, 2019. </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Tax Cuts and Jobs Act of 2017 </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">On December&nbsp;22, 2017, the Tax Cuts and Jobs Act of 2017
(TCJA) was signed into law. Among other things, the TCJA substantially reduced the corporate income tax rate to 21&nbsp;percent, effective January&nbsp;1, 2018. Each state public utility commission, with jurisdiction over the areas that are served
by Unitil&#146;s electric and gas subsidiary companies, issued orders directing how the tax law changes were to be reflected in rates. Unitil has complied with these orders and has made the required changes to its rates as directed by the
commissions. The FERC has opened a rulemaking proceeding on this matter which has been addressed in a rate settlement filing by Granite State. More recently, on November&nbsp;15, 2018, the FERC issued a Notice of Proposed Rulemaking and a Policy
Statement to address the TCJA&#146;s effects on the Accumulated Deferred Income Taxes (ADIT) on transmission rates. Under the proposed rules all public utilities with transmission formula rates, including Fitchburg, would be required to:
(1)&nbsp;include mechanisms to deduct any excess ADIT from or add any deficient ADIT to their rate bases; (2)&nbsp;include mechanisms in those rates that would raise or lower their income tax allowances by any amortized excess or deficient ADIT; and
(3)&nbsp;incorporate a new permanent worksheet into their rates that will annually track information related to excess or deficient ADIT. The Company believes that these matters are substantially resolved and will not have a material impact on its
financial position, operating results, or cash flows. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">41 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Rate Case Activity </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Unitil Energy &#150; Base Rates &#150; </B>On April&nbsp;20, 2017 the NHPUC issued its final order providing for a permanent increase of $4.1&nbsp;million, effective May&nbsp;1, 2017, followed by two
annual rate step adjustments to recover the revenue requirements associated with certain capital expenditures. On April&nbsp;30, 2018, the NHPUC approved the first step increase, effective May&nbsp;1, 2018. The filing incorporated the revenue
requirement of $3.3&nbsp;million for 2017 plant additions, a reduction of $2.2&nbsp;million for the effect of the federal tax decrease pursuant to the TCJA, along with the termination of the <FONT STYLE="white-space:nowrap">one-year</FONT>
$1.4&nbsp;million reconciliation adjustment which had recouped the difference between temporary rates and final rates. The net effect of the three adjustments resulted in a revenue decrease of $0.3&nbsp;million. On February&nbsp;28, 2019, Unitil
Energy filed its second and final step adjustment seeking a revenue increase of approximately $340,000. On April 22, 2019 this final step adjustment was approved by the NHPUC, effective May 1, 2019. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Base Rates &#150; Electric &#150; </B>Fitchburg&#146;s base rates are decoupled, and subject to an annual revenue decoupling
adjustment mechanism, which includes a cap on the amount that rates may be increased in any year. In Fitchburg&#146;s last base rate order from the MDPU, issued in April 2016, the MDPU approved an annual capital cost recovery mechanism to recover
the revenue requirement associated with certain capital additions. On June&nbsp;28, 2018, Fitchburg filed its compliance report of capital investments for calendar year 2017. On November&nbsp;1, 2018, Fitchburg filed its cumulative revenue
requirement associated with the Company&#146;s 2015, 2016 and 2017 capital expenditures and associated Capital Cost Adjustment Factors to become effective on January&nbsp;1, 2019. On December&nbsp;27, 2018, the Capital Cost Adjustment Factors were
approved subject to further investigation and reconciliation. On April&nbsp;3, 2019, the MDPU issued a final order approving Fitchburg&#146;s 2017 filing, which provides for the recovery of the sum of the revenue requirement and reconciliation
adjustment of $0.4&nbsp;million. Final approval of the 2018 filing remains pending. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Base Rates &#150; Gas &#150;
</B>Pursuant to the Company&#146;s revenue decoupling adjustment clause tariff, as approved in its last base rate case, the Company is allowed to modify, on a semi-annual basis, its base distribution rates to an established revenue per customer
target in order to mitigate economic, weather and energy efficiency impacts to the Company&#146;s revenues. The MDPU has consistently found that the Company&#146;s filings are in accord with its approved tariffs, applicable law and precedent, and
that they result in just and reasonable rates. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Gas System Enhancement Program &#150; </B>Pursuant to statute and MDPU
order, Fitchburg has an approved Gas System Enhancement Plan (GSEP) tariff through which it may recover certain gas infrastructure replacement and safety related investment costs, subject to an annual cap. Under the plan, the Company is required to
make two annual filings with the MDPU: a forward-looking filing for the subsequent construction year, to be filed on or before October 31; and a filing, submitted on or before May&nbsp;1, of final project documentation for projects completed during
the prior year, demonstrating substantial compliance with its plan in effect for that year and showing that project costs were reasonably and prudently incurred. While a number of the filings under the GSEP tariff may remain pending from <FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">year-to-year</FONT></FONT> in any given year, the Company considers these to be routine regulatory proceedings and there are no material issues outstanding. Under this tariff, a revenue
increase of $0.9&nbsp;million went into effect on May&nbsp;1, 2018, subject to the annual cap and reconciliation. On October&nbsp;31, 2018, the MDPU approved the Company&#146;s request for a waiver of the annual cap in order to recover its
reconciliation adjustment of $0.4&nbsp;million effective November&nbsp;1, 2018 associated with its actual 2017 revenue requirement. On October&nbsp;31, 2018, the Company filed to increase the annual cap for two years and is seeking recovery of a
revenue increase of $0.8&nbsp;million, subject to the annual cap and reconciliation, for effect May&nbsp;1, 2019. This matter remains pending. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">42 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities &#150; Base Rates &#150; Maine &#150; </B>On February&nbsp;28, 2018, the MPUC issued
its Final Order (Order) in Northern Utilities&#146; most recent base rate case. The Order provided for an annual revenue increase of $2.1&nbsp;million before a reduction of $2.2&nbsp;million to incorporate the effect of the lower federal income tax
rate under the TCJA. The MPUC Order approved a return on equity of 9.5&nbsp;percent and a capital structure reflecting 50&nbsp;percent equity and 50&nbsp;percent long-term debt. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities &#150; Targeted Infrastructure Replacement Adjustment (TIRA) &#150; Maine &#150; </B>The settlement in Northern Utilities&#146; Maine division&#146;s 2013 rate case allowed the
Company to implement a TIRA rate mechanism to adjust base distribution rates annually to recover the revenue requirements associated with targeted investments in gas distribution system infrastructure replacement and upgrade projects, including the
Company&#146;s Cast Iron Replacement Program (CIRP). The TIRA had an initial term of four years and covered targeted capital expenditures in 2013 through 2016. In its Order in the most recent base rate case (see above), the MPUC approved an
extension of the TIRA mechanism, for an additional eight-year period, which will allow for annual rate adjustments through the end of the CIRP program. On May&nbsp;7, 2018, the MPUC approved the Company&#146;s request to increase its annual base
rates by 2.4%, or $1.1&nbsp;million, to recover the revenue requirements for 2017 eligible facilities. On April 17, 2019, the MPUC approved the Company&#146;s request to increase its annual base rates by 2.1%, or $1.0 million, to recover the revenue
requirements for 2018 eligible facilities. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities &#150; Base Rates &#150; New Hampshire &#150; </B>On May&nbsp;2, 2018, the
NHPUC approved a settlement agreement providing for an annual revenue increase of $2.6&nbsp;million, a reduction of annual revenue of $1.7&nbsp;million to reflect the effect of the TCJA, and a step increase of $2.3&nbsp;million to recover post-test
year capital investments, all effective May&nbsp;1, 2018 (with the revenue increase of $2.6&nbsp;million reconciling to the date of temporary rates of August&nbsp;1, 2017 and the revenue decrease for TCJA reconciling to January&nbsp;1, 2018), for a
net increase of approximately $3.2&nbsp;million. Under the terms of the agreement, on February&nbsp;27, 2019, the Company filed for a second step increase of approximately $1.4&nbsp;million of annual revenue for effect May&nbsp;1, 2019 to recover
eligible capital investments in 2018. This matter remains pending. According to the terms of the settlement agreement, Northern Utilities&#146; next distribution base rate case shall be based on an historic test year of no earlier than twelve months
ending December&nbsp;31, 2020. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Granite State &#150; Base Rates &#150; </B>On May&nbsp;2, 2018, Granite State filed an uncontested rate
settlement with FERC which provided for no change in rates, and accounted for the effects of a capital step adjustment offset by the effect of the TCJA. The settlement was approved by FERC on June&nbsp;27, 2018, and complies with the FERC Notice of
Proposed Rulemaking concerning the justness and reasonableness of rates in light of the corporate income tax reductions under the TCJA. The settlement also provides that Granite State may not file a general (Section 4) rate case prior to
April&nbsp;30, 2019. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Other Matters </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Independent Statewide Examination of the Safety of the Commonwealth&#146;s Gas Distribution System &#150; </B>The MDPU has engaged a third-party evaluator to conduct an independent
statewide examination of the safety of the gas distribution system to complement the investigation of the National Transportation Safety Board which focuses on the gas incident on September&nbsp;13, 2018 in the Merrimack Valley and its potential
causes. The evaluator will examine the following areas: (1)&nbsp;the physical integrity and safety of the gas distribution system; and (2)&nbsp;the operation and maintenance policies and practices of the gas companies and municipal gas companies,
with respect to the Commonwealth&#146;s gas distribution system, including recommendations for improvements. The evaluator will issue a report that will include, but not be limited to, potential opportunities for improvement in each of these areas.
The investigation is <FONT STYLE="white-space:nowrap">on-going.</FONT> </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">43 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Reconciliation Filings &#150;</B> Fitchburg, Unitil Energy and Northern Utilities each have a number of
regulatory reconciling accounts which require annual or semi-annual filings with the MDPU, NHPUC and MPUC, respectively, to reconcile costs and revenues and seek approval of any rate changes. These filings include: annual electric reconciliation
filings by Fitchburg and Unitil Energy for a number of items, including default service, stranded cost changes and transmission charges; costs associated with energy efficiency programs in New Hampshire and Massachusetts, as directed by the NHPUC
and MDPU; recovery of the ongoing costs of storm repairs incurred by Unitil Energy; and the actual wholesale energy costs for electric power and natural gas incurred by each of the three companies. Fitchburg, Unitil Energy and Northern Utilities
have been, and remain in full compliance with all directives and orders regarding these filings. The Company considers these to be routine regulatory proceedings and there are no material issues outstanding. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg &#150; Massachusetts RFPs &#150;</B> Pursuant to a comprehensive energy law enacted in 2016, &#147;An Act to Promote Energy Diversity,&#148;
under Section 83C, the Massachusetts electric distribution companies (EDCs), including Fitchburg, are required to jointly solicit proposals for long term contracts for at least 400 MW&#146;s of offshore wind energy generation by June 30, 2017, as
part of a total of 1,600 MW of offshore wind the EDCs are directed to procure by June 30, 2027. Under Section 83D of the Act, the EDCs are required to jointly seek proposals for cost effective clean energy (hydro, solar and land-based wind)
long-term contracts via one or more staggered solicitations for a total of 9,450,000 megawatt-hours by December 31, 2022. Unitil&#146;s pro rata share of each of these contracts is approximately one percent. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The EDCs issued the RFP for Section 83D Long-Term Contracts for Qualified Clean Energy Projects in March 2017, and after selection of final projects and
negotiation, final contracts for 9,554,940 MWh of Qualified Clean Energy and associated Environmental Attributes from hydroelectric generation were filed in July 2018 for approval by the MDPU. The Section 83D matter remains pending with the EDCs
awaiting an approval. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The EDCs issued the RFP pursuant to Section 83C for Long-Term Contracts for Offshore Wind Energy Generation in June
2017. Final selection of projects was made in May 2018, contracts were signed in July 2018 and on July 23, 2018, the EDCs, including Fitchburg, filed two long-term contracts, each for 400MW of offshore wind energy generation with MDPU for approval.
On April 12, 2019, the MDPU approved the Offshore Wind Energy Generation power purchase agreements, including the EDCs&#146; proposal to sell the energy procured under the contract into the ISO-NE wholesale market and to credit or charge the
difference between the contract costs and the ISO-NE market costs to customers. The MDPU also determined that the EDCs&#146; request for remuneration equal to 2.75 percent is reasonable and in the public interest. Also, the MDPU approved the
EDCs&#146; proposal to amend their respective tariffs to include the recovery of costs associated with the contracts. The Company believes that the power purchase obligations under these long-term contracts will have a material impact on the
contractual obligations and regulatory assets of Fitchburg. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities Gas Supply Cost Investigation &#150; </B>The MPUC has
opened an investigation into regulatory and rate setting approaches for natural gas supply costs. This order is applicable to all LDCs in Maine, and Northern Utilities is the first company whose procurement practices are being examined. Northern
Utilities has been and remains in full compliance with all MPUC directives and orders with respect to gas procurement. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>FERC Transmission
Formula Rate Proceedings &#150; </B>Pursuant to Section&nbsp;206 of the Federal Power Act, there are several pending proceedings before the FERC concerning the justness and reasonableness of the Return on Equity (ROE) component of the <FONT
STYLE="white-space:nowrap">ISO-New</FONT> England, Inc. Participating Transmission Owners&#146; Regional Network Service and Local Network Service </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">44 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">
formula rates. On April&nbsp;14, 2017, the U.S. Court of Appeals for the D.C. Circuit issued an opinion vacating a decision of the FERC with respect to the ROE, and remanded it for further
proceedings. The FERC had found that the Transmission Owners existing ROE was unlawful, and had set a new ROE. The Court found that the FERC had failed to articulate a satisfactory explanation for its orders. At this time, the ROE set in the vacated
order will remain in place until further FERC action is taken. Separately, on March&nbsp;15, 2018, the Transmission Owners filed a petition for review with the Court of certain orders of the FERC setting for hearing other complaints challenging the
allowed return on equity component of the formula rates. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Also pending at FERC is a Section&nbsp;206 proceeding concerning the justness and
reasonableness of <FONT STYLE="white-space:nowrap">ISO-New</FONT> England, Inc. Participating Transmission Owners&#146; Regional Network Service and Local Network Service formula rates and to develop formula rate protocols for these rates. On
August&nbsp;17, 2018 a joint settlement agreement among a number of the parties was filed with the FERC and remains pending. Fitchburg and Unitil Energy are Participating Transmission Owners, although Unitil Energy does not own transmission plant.
To the extent that these proceedings result in any changes to the rates being charged, a retroactive reconciliation may be required. The Company does not believe that these proceedings will have a material adverse impact on the Company&#146;s
financial condition or results of operations. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Legal Proceedings </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The Company is involved in legal and administrative proceedings and claims of various types, which arise in the ordinary course of business. The Company believes, based upon information furnished by
counsel and others, that the ultimate resolution of these claims will not have a material impact on its financial position, operating results or cash flows. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 7 &#150; ENVIRONMENTAL MATTERS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL&#146;S ENVIRONMENTAL MATTERS ARE DESCRIBED
IN NOTE 8 TO THE FINANCIAL STATEMENTS IN ITEM 8 OF PART II OF UNITIL CORPORATION&#146;S FORM <FONT STYLE="white-space:nowrap">10-K</FONT> FOR DECEMBER&nbsp;31, 2018 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY&nbsp;31, 2019.
</B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s past and present operations include activities that are generally subject to extensive and complex federal and state
environmental laws and regulations. The Company is in material compliance with applicable environmental and safety laws and regulations and, as of March&nbsp;31, 2019, has not identified any material losses reasonably likely to be incurred in excess
of recorded amounts. However, the Company cannot assure that significant costs and liabilities will not be incurred in the future. It is possible that other developments, such as increasingly stringent federal, state or local environmental laws and
regulations could result in increased environmental compliance costs. Based on the Company&#146;s current assessment of its environmental responsibilities, existing legal requirements and regulatory policies, the Company does not believe that these
environmental costs will have a material adverse effect on the Company&#146;s consolidated financial position or results of operations. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Northern Utilities Manufactured Gas Plant Sites &#150; </B>Northern Utilities has an extensive program to identify, investigate and remediate former
manufactured gas plant (MGP) sites, which were operated from the <FONT STYLE="white-space:nowrap">mid-1800s</FONT> through the <FONT STYLE="white-space:nowrap">mid-1900s.</FONT> In New Hampshire, MGP sites were identified in Dover, Exeter,
Portsmouth, Rochester and Somersworth. In Maine, Northern Utilities has documented the presence of MGP sites in Lewiston and Portland, and a former MGP disposal site in Scarborough. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">45 </FONT></P>



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 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Northern Utilities has worked with the Maine Department of Environmental Protection and New Hampshire
Department of Environmental Services to address environmental concerns with these sites. Northern Utilities or others have substantially completed remediation of all sites, though on site monitoring continues and it is possible that future
activities may be required. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The NHPUC and MPUC have approved regulatory mechanisms for the recovery of MGP environmental costs. For Northern
Utilities&#146; New Hampshire division, the NHPUC has approved the recovery of MGP environmental costs over succeeding seven-year periods. For Northern Utilities&#146; Maine division, the MPUC has authorized the recovery of environmental remediation
costs over succeeding five-year periods. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Environmental Obligations table below shows the amounts accrued for Northern Utilities related
to estimated future cleanup costs associated with Northern Utilities&#146; environmental remediation obligations for former MGP sites. Corresponding Regulatory Assets were recorded to reflect that the future recovery of these environmental
remediation costs is expected based on regulatory precedent and established practices. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Fitchburg&#146;s Manufactured Gas Plant Site &#150;
</B>Fitchburg has worked with the Massachusetts Department of Environmental Protection to address environmental concerns with the former MGP site at Sawyer Passway, and has substantially completed remediation activities, though on site monitoring
will continue and it is possible that future activities may be required. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Environmental Obligations table below shows the amounts accrued
for Fitchburg related to estimated and periodic, regulatory review costs for the completed permanent remediation of the Sawyer Passway site. A corresponding Regulatory Asset was recorded to reflect that the recovery of these environmental
remediation costs is probable through the regulatory process. The amounts recorded do not assume any amounts are recoverable from insurance companies or other third parties. Fitchburg recovers the environmental response costs incurred at this former
MGP site in gas rates pursuant to the terms of a cost recovery agreement approved by the MDPU. Pursuant to this agreement, Fitchburg is authorized to amortize and recover environmental response costs from gas customers over succeeding seven-year
periods. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The following table sets forth a summary of changes in the Company&#146;s liability for Environmental Obligations for the three
months ended March&nbsp;31, 2019 and 2018. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="76%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
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<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Environmental Obligations</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="6" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="6" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD COLSPAN="6" VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>($ millions)</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Fitchburg</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Northern<BR>Utilities</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Total</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="22" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three months ended March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Balance at Beginning of Period</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Additions</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Payments / Reductions</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Balance at End of Period</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Current Portion</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Noncurrent Balance at End of Period</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 8: INCOME TAXES </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">In December 2017, the Tax Cuts and Jobs Act (TCJA), which included a reduction to the corporate federal income tax rate to 21% effective January&nbsp;1, 2018, was signed into law. In accordance with GAAP
Accounting Standard 740, the Company revalued its Accumulated Deferred Income Taxes (ADIT) at the new 21% tax rate at which the ADIT will be reversed in future periods. The Company recorded a net Regulatory Liability in the amount of
$48.9&nbsp;million at December&nbsp;31, 2017 as a result of the ADIT revaluation. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">46 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The MDPU issued a multi-utility Order D.P.U.
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">18-15-E</FONT></FONT> (the &#147;Order&#148;) on December&nbsp;21, 2018. The Order clarified the categories of Excess ADIT for Massachusetts ratemaking: 1) Excess protected ADIT
directly related to utility plant fixed assets (rate base), 2) other <FONT STYLE="white-space:nowrap">non-plant</FONT> excess ADIT amounts (unprotected), and 3) excess ADIT created through reconciling mechanisms. In the Order, all Massachusetts
utilities were ordered to begin flow back of protected and unprotected excess ADIT on February&nbsp;1, 2019 and to reconcile excess ADIT amounts previously collected from ratepayers through reconciliation mechanisms in the next filing of each of
those individual reconciling mechanisms. Fitchburg was ordered to begin flowing back to customers excess ADIT of $10.1&nbsp;million and $10.4&nbsp;million to electric and gas ratepayers, respectively, over approximately fifteen years. Fitchburg
filed its compliance filing under <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">D.P.U.18-15-E</FONT></FONT> on January&nbsp;4, 2019 for rates effective February&nbsp;1, 2019. The MDPU approved this filing on January&nbsp;16,
2019. The filing will be updated and the balances of excess ADIT will be reconciled annually. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">On November&nbsp;15, 2018 the FERC issued two
pronouncements regarding the accounting for income taxes due to the TCJA; 1) Notice of Proposed Rulemaking Docket No. RM <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">19-5-000</FONT></FONT> and 2) Policy Statement PL <FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">19-2-000</FONT></FONT> providing specific guidance on the flow back of excess ADIT created by the implementation of the TCJA. Final rules are expected to be issued in the second quarter of
2019. According to the FERC guidance; the amount of the reduction to ADIT that was previously collected from customers but is no longer payable to the IRS is excess ADIT and should be flowed back to ratepayers under general ratemaking principles.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Based on communications received by the Company from its state regulators in rate cases and other regulatory proceedings in the first quarter
of 2018 and as prescribed in the TCJA, the recent FERC guidance noted above and IRS normalization rules; the benefit of these protected excess ADIT amounts will be subject to flow back to customers in future utility rates according to the Average
Rate Assumption Method (ARAM). ARAM reconciles excess ADIT at the reversal rate of the underlying book/tax temporary timing differences. The Company estimates the ARAM flow back period to be between fifteen and twenty years. Subject to regulatory
approval, the Company expects to flow back to customers a net $47.1&nbsp;million of protected excess ADIT created as a result of the lowering of the statutory tax rate by the TCJA over periods estimated to be fifteen to twenty years. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In addition to the protected excess $47.1&nbsp;million ADIT amounts the Company expects to flow through to customers in utility rates, as noted above,
there is approximately $1.8&nbsp;million of excess ADIT created through reconciling mechanisms at December&nbsp;31, 2017, related to the implementation of the new federal tax rate of the TCJA, which had not been previously collected from customers
through utility rates. The Company will reconcile these excess ADIT amounts through the specific reconciliation mechanisms in the next filing of each of those individual reconciling mechanisms which will be subject to the review of state regulators.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In addition to the $48.9&nbsp;million of net excess ADIT noted above; there is $5.8&nbsp;million of excess ADIT at December&nbsp;31, 2017,
created by the recognition of Net Operating Loss Carryforward assets (NOLC), discussed below, and related to the implementation of the new federal tax rate of the TCJA, which had not been previously included in utility rates. The Company is
recognizing the benefit of this excess ADIT in accordance with the regulatory treatment of excess ADIT for each of jurisdiction. In 2018 the Company recognized $2.4&nbsp;million of this tax benefit provision due to the turning of book/tax temporary
differences associated with this excess ADIT. The Company expects to recognize the remaining $3.4&nbsp;million of this excess ADIT in future periods, which is currently expected to be in 2019 and 2020, in accordance with regulatory guidance as
discussed above. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">47 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company has not yet received regulatory orders in all of its jurisdictions regarding the flow-back of
excess deferred taxes. The Company&#146;s regulators are expected to issue additional ratemaking guidance in future periods that will determine the final disposition of the <FONT STYLE="white-space:nowrap">re-measurement</FONT> of regulatory
deferred tax balances. At this time, the Company has applied a reasonable interpretation of the TCJA and a reasonable estimate of the regulatory resolution. Future clarification of TCJA matters with the Company&#146;s regulators may change the
amounts estimated. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Under the Company&#146;s Tax Sharing Agreement (the &#147;Agreement&#148;) which was approved upon the formation of Unitil
as a PUHC; the Company files consolidated Federal and State tax returns and Unitil Corporation and each of its utility operating subsidiaries recognize the results of their operations in its tax returns as if it were a stand-alone taxpayer. The
Agreement provides that the Company will account for income taxes in compliance with U.S. GAAP and regulatory accounting principles. The Company filed its tax returns for the year ended December&nbsp;31, 2017 with the Internal Revenue Service in
September 2018 and generated additional federal NOLC assets of $3.7&nbsp;million principally due to pension cost deductions, tax repair deductions, tax depreciation and research and development deductions. For the year ended December&nbsp;31, 2018,
the Company calculated federal current tax of $7.7&nbsp;million and offset it with a decrease to the federal NOLC of $7.7&nbsp;million, resulting in no federal current taxes payable for the period. As of December&nbsp;31, 2018, the Company had
recorded cumulative federal and state NOLC assets of $10.8&nbsp;million to offset against taxes payable in future periods. If unused, the Company&#146;s NOLC carryforward assets will begin to expire in 2029. In addition, at December&nbsp;31, 2017,
the Company had $3.5&nbsp;million of cumulative alternative minimum tax credits, general business tax credit and other state tax credit carryforwards to offset future income taxes payable. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">In assessing the near-term use of NOLCs and tax credits, the Company evaluates the expected level of future taxable income, available tax planning strategies, reversals of existing taxable temporary
differences and taxable income available in carryback years. Based on all available evidence, both positive and negative, and the weight of that evidence to the extent such evidence can be objectively verified, the Company expects to utilize all of
its NOLCs by December&nbsp;31, 2019 prior to their expiration in 2029. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">In March 2018, Unitil Corporation received notice that its Federal
Income Tax return filings for the years ended December&nbsp;31, 2015 and December&nbsp;31, 2016 are under examination by the IRS. Currently, the Company believes that the ultimate resolution of this examination will not have a material impact on the
Company&#146;s financial statements. The Company remains subject to examination by New Hampshire tax authorities for the tax periods ended December&nbsp;31, 2015; December&nbsp;31, 2016; and December&nbsp;31, 2017. Income tax filings for the year
ended December&nbsp;31, 2017 have been filed with the New Hampshire Department of Revenue Administration. The State of Maine has concluded its review of the Company&#146;s tax returns for December&nbsp;31, 2014, December&nbsp;31, 2015, and
December&nbsp;31, 2016 which resulted in a small additional refund to the Company.</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company evaluated its tax positions at March&nbsp;31,
2019 in accordance with the FASB Codification, and has concluded that no adjustment for recognition, <FONT STYLE="white-space:nowrap">de-recognition,</FONT> settlement and foreseeable future events to any tax liabilities or assets as defined by the
FASB Codification is required. The Company remains subject to examination by Federal, Maine, Massachusetts, and New Hampshire tax authorities for the tax periods ended December&nbsp;31, 2015;&nbsp;December&nbsp;31, 2016; and December&nbsp;31, 2017.
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company bills its customers for sales tax in Massachusetts and Maine. These taxes are remitted to the appropriate departments of revenue
in each state and are excluded from revenues on the Company&#146;s unaudited Consolidated Statements of Earnings. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">48 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>NOTE 9: RETIREMENT BENEFIT OBLIGATIONS </B></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The Company <FONT STYLE="white-space:nowrap">co-sponsors</FONT> the Unitil Corporation Retirement Plan (Pension Plan), the Unitil Retiree Health and Welfare Benefits Plan (PBOP Plan), and the Unitil
Corporation Supplemental Executive Retirement Plan (SERP) to provide certain pension and postretirement benefits for its retirees and current employees. Please see Note 10 to the Consolidated Financial Statements in the Company&#146;s Form <FONT
STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2018 as filed with the SEC on January&nbsp;31, 2018 for additional information regarding these plans. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The following table includes the key weighted average assumptions used in determining the Company&#146;s benefit plan costs and obligations: </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="91%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1">Used to Determine Plan Costs</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Discount Rate</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.25</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.60</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Rate of Compensation Increase</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.00</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.00</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Expected Long-term rate of return on plan assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.75</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.75</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Health Care Cost Trend Rate Assumed for Next Year</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.00</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">7.50</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Ultimate Health Care Cost Trend Rate</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.50</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.50</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Year that Ultimate Health Care Cost Trend Rate is reached</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2024</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2024</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The following table provides the components of the Company&#146;s Retirement plan costs ($000&#146;s): </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="65%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Pension Plan</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>PBOP Plan</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>SERP</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months Ended March&nbsp;31,</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Service Cost</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 776</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 848</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 576</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 733</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 60</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 122</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest Cost</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,621</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,469</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>856</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">851</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>139</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">101</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Expected Return on Plan Assets</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(2,119</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(1,946</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(411</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(409</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Prior Service Cost Amortization</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>80</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">81</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>303</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">327</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Actuarial Loss Amortization</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,081</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,447</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>57</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">346</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>158</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">122</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="white-space:nowrap">Sub-total</FONT></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,439</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,899</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1,381</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,848</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>360</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">392</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Amounts Capitalized and Deferred</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(412</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(720</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(474</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(742</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(103</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(113</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Periodic Benefit Cost Recognized</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 1,027</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 1,179</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 907</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1,106</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 257</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"> 279</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><U>Employer Contributions </U></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">As of March&nbsp;31, 2019, the Company had made $1.3&nbsp;million and $0.4&nbsp;million of contributions to its Pension Plan and PBOP Plan, respectively, in 2019. The Company, along with its subsidiaries,
expects to continue to make contributions to its Pension and PBOP Plans in 2019 and future years at minimum required and discretionary funding levels consistent with the amounts recovered in the distribution utilities&#146; rates for these Pension
and PBOP Plan costs. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">As of March&nbsp;31, 2019, the Company had made $0.1&nbsp;million of benefit payments under the SERP Plan in 2019. The
Company presently anticipates making an additional $0.5&nbsp;million of benefit payments under the SERP Plan in 2019. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">49 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_8"></A>Item&nbsp;3.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Quantitative and Qualitative Disclosures About Market Risk </I></B></FONT></P></TD></TR></TABLE>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Reference is made to the &#147;Interest Rate Risk&#148; and &#147;Commodity Price Risk&#148; sections of Item 2. &#147;Management&#146;s Discussion and
Analysis of Financial Condition and Results of Operations&#148; (above). </FONT></P> <P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B><B><I><A NAME="tx729694_9"></A>Item&nbsp;4</I></B><B>.</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B></B><B><I>Controls and Procedures </I></B><B> </B></FONT></P></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">Management of the Company, under the supervision and with the participation of the Company&#146;s Chief Executive Officer, Chief Financial Officer and Chief Accounting Officer, carried out an evaluation
of the effectiveness of the design and operation of the Company&#146;s disclosure controls and procedures as of March&nbsp;31, 2019. Based upon this evaluation, the Company&#146;s Chief Executive Officer, Chief Financial Officer and Chief Accounting
Officer concluded as of March&nbsp;31, 2019 that the Company&#146;s disclosure controls and procedures (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(e)</FONT> and <FONT STYLE="white-space:nowrap">15(d)-15(e))</FONT> are
effective. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">There have been no changes in the Company&#146;s internal control over financial reporting (as defined in Exchange Act <FONT
STYLE="white-space:nowrap">Rules&nbsp;13a-15(f)</FONT> and <FONT STYLE="white-space:nowrap">15(d)-15(f))</FONT> during the fiscal quarter covered by this Form <FONT STYLE="white-space:nowrap">10-Q</FONT> that have materially affected, or are
reasonably likely to materially affect, the Company&#146;s internal control over financial reporting. </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>PART II. OTHER INFORMATION
</B></FONT></P> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_10"></A>Item&nbsp;1.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Legal Proceedings </I></B></FONT></P></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The Company is involved in legal and administrative proceedings and claims of various types, which arise in the ordinary course of business. Certain specific matters are discussed in Notes 6 and 7 to the
unaudited Consolidated Financial Statements. In the opinion of Management, based upon information furnished by counsel and others, the ultimate resolution of these claims will not have a material impact on the Company&#146;s financial position.
</FONT></P> <P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_11"></A>Item&nbsp;1A.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Risk Factors </I></B></FONT></P></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">There have been no material changes to the risk factors disclosed in the Company&#146;s Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the year-ended December&nbsp;31, 2018 as filed with the SEC on
February&nbsp;1, 2018. </FONT></P> <P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_12"></A>Item&nbsp;2.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Unregistered Sales of Equity Securities and Use of Proceeds </I></B></FONT></P></TD></TR></TABLE>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Recent Sales of Unregistered Securities </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">There were no sales of unregistered equity securities by the Company during the fiscal quarter ended March&nbsp;31, 2019. </FONT></P>
<P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Issuer Purchases of Equity Securities </B></FONT></P>
<P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Pursuant to the written trading plan under Rule <FONT STYLE="white-space:nowrap">10b5-1</FONT> under the Securities Exchange Act of 1934, as amended (the
Exchange Act), adopted and announced by the Company on May&nbsp;1, 2018, the Company will periodically repurchase shares of its Common Stock on the open market related to Employee Length of Service Awards and the stock portion of the Directors&#146;
annual retainer for those Directors who elected to receive common stock. There is no pool or maximum number of shares related to these purchases; however, the trading plan will terminate when $92,700 in value of shares have been purchased or, if
sooner, on May&nbsp;1, 2019. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">50 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company may suspend or terminate this trading plan at any time, so long as the suspension or termination
is made in good faith and not as part of a plan or scheme to evade the prohibitions of Rule <FONT STYLE="white-space:nowrap">10b-5</FONT> under the Exchange Act, or other applicable securities laws. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The following table shows information regarding repurchases by the Company of shares of its common stock pursuant to the trading plan for each month in
the quarter ended March&nbsp;31, 2019. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="56%"></TD>
<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="9%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Total<BR>Number<BR>of Shares<BR>Purchased</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Average<BR>Price&nbsp;Paid<BR>per Share</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Total&nbsp;Number&nbsp;of<BR>Shares&nbsp;Purchased&nbsp;as<BR>Part of Publicly<BR>Announced Plans
or<BR>Programs</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Approximate&nbsp;Dollar<BR>Value&nbsp;of&nbsp;Shares&nbsp;that<BR>May Yet
Be<BR>Purchased&nbsp;Under&nbsp;the<BR>Plans or Programs</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">1/1/19 &#150; 1/31/19</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">59,311</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">2/1/19 &#150; 2/28/19</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">59,311</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">3/1/19 &#150; 3/31/19</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">59,311</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
</TABLE> <P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_15"></A>Item&nbsp;5.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Other Information </I></B></FONT></P></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">On April&nbsp;25, 2019, the Company issued a press release announcing its results of operations for the three-month period ended March&nbsp;31, 2019. The press release is furnished with this Quarterly
Report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> as Exhibit 99.1. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">51 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="8%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I><A NAME="tx729694_16"></A>Item&nbsp;6.</I></B></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I>Exhibits </I></B></FONT></P></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">(a) Exhibits </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="68%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="18%"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom" NOWRAP> <P STYLE="border-bottom:1px solid #000000 ; display:table-cell;"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Exhibit&nbsp;No.</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Description of Exhibit</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1px solid #000000"> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Reference</B></FONT></P></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;11</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="d729694dex11.htm">Computation in Support of Earnings Per Average Common Share </A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;31.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="d729694dex311.htm">Certification of Chief Executive Officer Pursuant to Rule <FONT STYLE="white-space:nowrap">13a-14</FONT> of the Exchange Act, as Adopted Pursuant to Section&nbsp;302
 of the Sarbanes-Oxley Act of 2002 </A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;31.2</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="d729694dex312.htm">Certification of Chief Financial Officer Pursuant to Rule <FONT STYLE="white-space:nowrap">13a-14</FONT> of the Exchange Act, as Adopted Pursuant to Section&nbsp;302
 of the Sarbanes-Oxley Act of 2002 </A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;31.3</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="d729694dex313.htm">Certification of Chief Accounting Officer Pursuant to Rule <FONT STYLE="white-space:nowrap">13a-14</FONT> of the Exchange Act, as Adopted Pursuant to Section&nbsp;302
 of the Sarbanes-Oxley Act of 2002 </A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;32.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="d729694dex321.htm">Certifications of Chief Executive Officer, Chief Financial Officer and Chief Accounting Officer Pursuant to 18 U.S.C. Section&nbsp;
1350, as Adopted Pursuant to Section&nbsp;906 of the Sarbanes-Oxley Act of 2002 </A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;99.1</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><A HREF="d729694dex991.htm">Unitil Corporation Press Release Dated April&nbsp;25, 2019 Announcing Earnings For the Quarter Ended March&nbsp;31, 2019. </A></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;101.INS</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">XBRL Instance Document.</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;101.SCH</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">XBRL Taxonomy Extension Schema Document.</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;101.CAL</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">XBRL Taxonomy Extension Calculation Linkbase Document.</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;101.DEF</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">XBRL Taxonomy Extension Definition Linkbase Document</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;101.LAB</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">XBRL Taxonomy Extension Label Linkbase Document.</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;&nbsp;101.PRE</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">XBRL Taxonomy Extension Presentation Linkbase Document.</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Filed herewith</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">52 </FONT></P>



<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><A NAME="tx729694_17"></A>SIGNATURES </B></FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized. </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


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<TD WIDTH="50%"></TD>
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<TD></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="48%"></TD></TR>


<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2">UNITIL CORPORATION</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">(Registrant)</FONT></P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2">Date:&nbsp;April&nbsp;25, 2019</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2">/s/ Christine L. Vaughan</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Christine L. Vaughan</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Chief Financial Officer</FONT></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2">Date:&nbsp;April&nbsp;25, 2019</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2">/s/ Laurence M. Brock</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Laurence M. Brock</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Chief Accounting Officer</FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">53 </FONT></P>


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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-11
<SEQUENCE>2
<FILENAME>d729694dex11.htm
<DESCRIPTION>EX-11
<TEXT>
<HTML><HEAD>
<TITLE>EX-11</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>EXHIBIT 11 </B></FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL CORPORATION AND SUBSIDIARY COMPANIES </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>COMPUTATION OF EARNINGS PER AVERAGE COMMON SHARE OUTSTANDING </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>($
Millions, except for per share data) </I></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">(UNAUDITED) </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE" ALIGN="center">


<TR>
<TD WIDTH="86%"></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three Months
Ended</B></FONT><br><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Income</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Less: Dividend Requirements on Preferred Stock</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&#151;&nbsp;&nbsp;</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Net Income Applicable to Common Stock</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">15.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Weighted Average Number of Common Shares Outstanding &#150; Basic (000&#146;s)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14,875</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14,803</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Dilutive Effect of Stock Options and Restricted Stock (000&#146;s)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Weighted Average Number of Common Shares Outstanding &#150; Diluted (000&#146;s)</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14,880</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">14,806</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Earnings Per Share &#150; Basic</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.78</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.06</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Earnings Per Share &#150; Diluted</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.78</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.06</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
</TABLE>
</DIV></Center>

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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>d729694dex311.htm
<DESCRIPTION>EX-31.1
<TEXT>
<HTML><HEAD>
<TITLE>EX-31.1</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 31.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I, Thomas P. Meissner, Jr., certify that: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">I have reviewed this quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Unitil
Corporation; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on my knowledge, the financial statements, and other financial information included in this report,
fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The registrant&#146;s other certifying officer(s) and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(e)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(e))</FONT> and internal control over financial reporting (as defined in Exchange Act
Rules <FONT STYLE="white-space:nowrap">13a-15(f)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(f))for</FONT> the registrant and have: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be
designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is
being prepared; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Designed such internal control over financial reporting, or caused such internal control over financial
reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting
principles; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">c)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Evaluated the effectiveness of the registrant&#146;s disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">d)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Disclosed in this report any changes in the registrant&#146;s internal control over financial reporting that
occurred during the registrant&#146;s most recent fiscal quarter (the registrant&#146;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonable likely to materially affect, the registrant&#146;s internal
controls over financial reporting; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">5)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The registrant&#146;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of
internal control over financial reporting, to the registrant&#146;s auditors and the audit committee of the registrant&#146;s board of directors (or persons performing the equivalent functions): </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">All significant deficiencies and material weaknesses in the design or operation of internal control over
financial reporting which are reasonably likely to adversely affect the registrant&#146;s ability to record, process, summarize and report financial information; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Any fraud, whether or not material, that involves management or other employees who have a significant role in
the registrant&#146;s internal control over financial reporting. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>
<TD WIDTH="100%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: April&nbsp;25, 2019</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Thomas P. Meissner, Jr.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Thomas P. Meissner, Jr.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Chief Executive Officer and President</P></TD></TR>
</TABLE></DIV>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>d729694dex312.htm
<DESCRIPTION>EX-31.2
<TEXT>
<HTML><HEAD>
<TITLE>EX-31.2</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 31.2 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I, Christine L. Vaughan, certify that: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">I have reviewed this quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Unitil
Corporation; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on my knowledge, the financial statements, and other financial information included in this report,
fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The registrant&#146;s other certifying officer(s) and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(e)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(e))</FONT> and internal control over financial reporting (as defined in Exchange Act
Rules <FONT STYLE="white-space:nowrap">13a-15(f)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(f))</FONT> for the registrant and have: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be
designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is
being prepared; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Designed such internal control over financial reporting, or caused such internal control over financial
reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting
principles; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">c)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Evaluated the effectiveness of the registrant&#146;s disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">d)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Disclosed in this report any changes in the registrant&#146;s internal control over financial reporting that
occurred during the registrant&#146;s most recent fiscal quarter (the registrant&#146;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonable likely to materially affect, the registrant&#146;s internal
controls over financial reporting; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">5)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The registrant&#146;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of
internal control over financial reporting, to the registrant&#146;s auditors and the audit committee of the registrant&#146;s board of directors (or persons performing the equivalent functions): </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">All significant deficiencies and material weaknesses in the design or operation of internal control over
financial reporting which are reasonably likely to adversely affect the registrant&#146;s ability to record, process, summarize and report financial information; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Any fraud, whether or not material, that involves management or other employees who have a significant role in
the registrant&#146;s internal control over financial reporting. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>
<TD WIDTH="100%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: April&nbsp;25, 2019</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Christine L. Vaughan</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Christine L. Vaughan</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Chief Financial Officer</P></TD></TR>
</TABLE></DIV>
</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>5
<FILENAME>d729694dex313.htm
<DESCRIPTION>EX-31.3
<TEXT>
<HTML><HEAD>
<TITLE>EX-31.3</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 31.3 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CERTIFICATION UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I, Laurence M. Brock, certify that: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">I have reviewed this quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Unitil
Corporation; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a
material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Based on my knowledge, the financial statements, and other financial information included in this report,
fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The registrant&#146;s other certifying officer(s) and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(e)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(e))</FONT> and internal control over financial reporting (as defined in Exchange Act
Rules <FONT STYLE="white-space:nowrap">13a-15(f)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(f))</FONT> for the registrant and have: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be
designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is
being prepared; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Designed such internal control over financial reporting, or caused such internal control over financial
reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting
principles; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">c)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Evaluated the effectiveness of the registrant&#146;s disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">d)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Disclosed in this report any changes in the registrant&#146;s internal control over financial reporting that
occurred during the registrant&#146;s most recent fiscal quarter (the registrant&#146;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonable likely to materially affect, the registrant&#146;s internal
controls over financial reporting; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">5)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The registrant&#146;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of
internal control over financial reporting, to the registrant&#146;s auditors and the audit committee of the registrant&#146;s board of directors (or persons performing the equivalent functions): </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">All significant deficiencies and material weaknesses in the design or operation of internal control over
financial reporting which are reasonably likely to adversely affect the registrant&#146;s ability to record, process, summarize and report financial information; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Any fraud, whether or not material, that involves management or other employees who have a significant role in
the registrant&#146;s internal control over financial reporting. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


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<TD WIDTH="100%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: April&nbsp;25, 2019</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Laurence M. Brock</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Laurence M. Brock</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Chief Accounting Officer</P></TD></TR>
</TABLE></DIV>
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<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>6
<FILENAME>d729694dex321.htm
<DESCRIPTION>EX-32.1
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 32.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CERTIFICATION PURSUANT TO </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>18 U.S.C. SECTION 1350, </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>AS ADOPTED PURSUANT TO </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In connection with the Quarterly Report of Unitil Corporation (the &#147;Company&#148;) on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> for the period
ending March&nbsp;31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the &#147;Report&#148;), each of the undersigned Thomas P. Meissner, Jr., Chief Executive Officer and President, Christine L. Vaughan, Chief
Financial Officer and Laurence M. Brock, Chief Accounting Officer, certifies, to the best knowledge and belief of the signatory, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The Report fully complies with the requirements of Section&nbsp;13(a) or 15(d) of the Securities Exchange Act
of 1934; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The information contained in the Report fairly presents, in all material respects, the financial condition and
results of operations of the Company. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


<TR>
<TD WIDTH="37%"></TD>
<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="44%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="15%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center">Signature</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="center">Capacity</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="right"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; " ALIGN="right">Date</P></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Thomas P. Meissner, Jr.</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Thomas P. Meissner, Jr.</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Chief Executive Officer and President</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right">April&nbsp;25, 2019</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Christine L. Vaughan</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Christine L. Vaughan</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Chief Financial Officer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right">April&nbsp;25, 2019</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Laurence M. Brock</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Laurence M. Brock</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Chief Accounting Officer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right">April&nbsp;25, 2019</TD></TR>
</TABLE>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>7
<FILENAME>d729694dex991.htm
<DESCRIPTION>EX-99.1
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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Exhibit 99.1 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>Page 1 of 5 </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:0px">


<IMG SRC="g729694g001.jpg" ALT="LOGO">
 </P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><U>FOR RELEASE </U></B></FONT></P> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>UNITIL REPORTS FIRST QUARTER EARNINGS </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>HAMPTON, N.H., APRIL</B><B></B><B>&nbsp;25, 2019
&#151;</B> Unitil Corporation (the &#147;Company&#148;) (NYSE: UTL) (<U>www.unitil.com</U>) today announced Net Income of $26.5&nbsp;million, or $1.78 per share, for the first quarter of 2019, an increase of $10.9&nbsp;million in Net Income, and
$0.72 in Earnings Per Share, (&#147;EPS&#148;) compared to the first quarter of 2018. In the first quarter of 2019; the Company recognized a <FONT STYLE="white-space:nowrap">one-time</FONT> net gain of $9.8&nbsp;million, or $0.66 in EPS, on the
Company&#146;s divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource. In addition, the Company&#146;s earnings in the first quarter of 2019 were driven by higher natural gas and electric sales margins,
partially offset by higher utility operating expenses. Earnings for the Company&#146;s utility operations were Net Income of $16.7&nbsp;million, or $1.12 per share, for the first quarter of 2019, an increase of $1.1&nbsp;million in Net Income, and
$0.06 in Earnings Per Share, (&#147;EPS&#148;) compared to the first quarter of 2018. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">&#147;We are pleased with our first quarter results,
which reflect continued strength in our core utility businesses,&#148; said Thomas P. Meissner, Jr., Unitil&#146;s Chairman and Chief Executive Officer. &#147;In addition to the strong growth of our utility businesses, we also recognized a gain on
the divestiture of our <FONT STYLE="white-space:nowrap">non-regulated</FONT> business. We intend to reinvest the proceeds from this transaction in our regulated utilities to support our continued growth and investment programs.&#148; </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Natural gas sales margins were $43.5&nbsp;million in the three months ended March&nbsp;31, 2019, an increase of $3.6&nbsp;million compared to the same
period in 2018. Gas sales margins in the first quarter of 2019 were positively affected by higher natural gas distribution rates of $2.6&nbsp;million and $1.0&nbsp;million from higher therm sales, reflecting customer growth. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Natural gas therm sales increased 2.1% in the three months ended March&nbsp;31, 2019 compared to the same period in 2018. The increase in gas therm sales
in the Company&#146;s service areas was driven by customer growth. The Company estimates that weather-normalized gas therm sales, excluding decoupled sales, were up 5.0% in the first quarter of 2019 compared to the same period in 2018. As of
March&nbsp;31, 2019, the number of natural gas customers served has increased by 1,533 compared to the prior year. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">6 Liberty
Lane West </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Hampton, NH 03842 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">T 603.772.0775 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">www.unitil.com </FONT></P>


<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> Page
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 of 5 </B></FONT></P> <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Electric
sales margins were $23.1&nbsp;million in the three months ended March&nbsp;31, 2019, an increase of $0.8&nbsp;million compared to the same period in 2018. Electric sales margins in the first quarter of 2019 were positively affected by higher
electric distribution rates of $1.2&nbsp;million, partially offset by lower sales margin of $0.4&nbsp;million reflecting lower kWh sales. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Total electric kilowatt-hour (kWh) sales decreased 4.3% compared to the first quarter of 2018. The decrease in kWh sales reflects a shorter billing cycle
in the first quarter of 2019 combined with overall lower average usage, including reduced usage by industrial customers for production purposes, partially offset by customer growth. As of March&nbsp;31, 2019, the number of electric customers served
has increased by 549 over the last year. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operation&nbsp;and Maintenance (O&amp;M) expenses increased $1.2&nbsp;million in the three months
ended March&nbsp;31, 2019 compared to the same period in 2018. Excluding a <FONT STYLE="white-space:nowrap">non-recurring</FONT> adjustment to decrease O&amp;M expenses by $0.4&nbsp;million in the first quarter of 2018 in connection with a then
ongoing base rate case for the Company&#146;s New Hampshire natural gas utility; O&amp;M expenses increased $0.8&nbsp;million. The change in O&amp;M expenses reflects higher labor costs of $0.4&nbsp;million and higher utility operating costs of
$0.4&nbsp;million. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Depreciation and Amortization expense increased $1.5&nbsp;million in the three months ended March&nbsp;31, 2019 compared
to the same period in 2018, reflecting higher utility plant in service partially offset by lower amortization of deferred major storm costs, which were amortized for recovery over multi-year periods. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Taxes Other Than Income Taxes increased $0.6&nbsp;million in the three months ended March&nbsp;31, 2019 compared to the same period in 2018, primarily
reflecting higher local property tax rates on higher levels of utility plant assets in service. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other (Income) Expense, Net changed from an
expense of $1.7&nbsp;million in the first quarter of 2018 to income of $12.1&nbsp;million in the first quarter of 2019, a net change of $13.8&nbsp;million. This change reflects a <FONT STYLE="white-space:nowrap">pre-tax</FONT> gain of
$13.4&nbsp;million on the Company&#146;s divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource. The Usource divestiture generated a capital gain to the Company and a $3.6&nbsp;million provision is
included in the Company&#146;s first quarter income tax expense discussed below. </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">6 Liberty
Lane West </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Hampton, NH 03842 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">T 603.772.0775 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">www.unitil.com </FONT></P>


<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> Page
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 of 5 </B></FONT></P> <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest
Expense, Net increased $0.2&nbsp;million in the three months ended March&nbsp;31, 2019 compared to the same period in 2018, primarily reflecting higher short-term interest rates on higher levels of short-term debt, partially offset by lower interest
on long-term debt. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Federal and State Income Taxes increased $3.4&nbsp;million for the three months ended March&nbsp;31, 2019 compared to the
same period in 2018, primarily reflecting income taxes related to the Company&#146;s divestiture of its <FONT STYLE="white-space:nowrap">non-regulated</FONT> business subsidiary, Usource. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">At its January 2019 and April 2019 meetings, the Unitil Corporation Board of Directors declared quarterly dividends on the Company&#146;s common stock of $0.37 per share. These quarterly dividends result
in a current effective annualized dividend rate to $1.48 per share, representing an unbroken record of quarterly dividend payments since trading began in Unitil&#146;s common stock. </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">The Company&#146;s earnings are seasonal and are typically higher in the first and fourth quarters when customers use natural gas for heating purposes. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">The Company will hold a quarterly conference call to discuss first quarter 2019 results on Thursday, April&nbsp;25, 2019, at 2:00 p.m. Eastern Time. This
call is being webcast and can be accessed in the Investor Relations section of Unitil&#146;s website, <U>www.unitil.com.</U> </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><U>About Unitil
Corporation </U></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Unitil Corporation provides energy for life by safely and reliably delivering natural gas and electricity in New England. We
are committed to the communities we serve and to developing people, business practices, and technologies that lead to the delivery of dependable, more efficient energy.<I> </I>Unitil Corporation is a public utility holding company with operations in
Maine, New Hampshire and Massachusetts. Together, Unitil&#146;s operating utilities serve approximately 105,600 electric customers and 82,700 natural gas customers. For more information about our people, technologies, and community involvement
please visit <U>www.unitil.com.</U> </FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><U>Forward-Looking Statements </U></FONT></P> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">This press release may contain forward-looking statements. All statements, other than statements of historical fact, included in this press release are forward-looking statements. Forward-looking
statements include declarations regarding Unitil&#146;s beliefs and current expectations. These forward-looking statements are subject to the inherent risks and uncertainties in predicting future results and conditions that could cause the actual
results to differ materially from those projected in these forward-looking statements. Some, but not all, of the risks and uncertainties include the following: Unitil&#146;s regulatory environment (including regulations relating to climate change,
greenhouse gas emissions and other environmental matters); fluctuations in the supply of, the demand for, and the prices of, gas and electric energy commodities and transmission and transportation capacity and Unitil&#146;s ability to recover energy
supply costs in its rates; customers&#146; preferred energy sources; severe storms and Unitil&#146;s ability to </FONT></P>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">6 Liberty
Lane West </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Hampton, NH 03842 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">T 603.772.0775 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">www.unitil.com </FONT></P>


<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> Page
 4
 of 5 </B></FONT></P> <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">recover
storm costs in its rates; general economic conditions; variations in weather; long-term global climate change; Unitil&#146;s ability to retain its existing customers and attract new customers; increased competition; and other risks detailed in
Unitil&#146;s filings with the Securities and Exchange Commission. These forward looking statements speak only as of the date they are made. Unitil undertakes no obligation, and does not intend, to update these forward-looking statements.
</FONT></P> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>For more information please contact:&nbsp;&nbsp;&nbsp;&nbsp; </B></FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TR>
<TD WIDTH="51%"></TD>
<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD WIDTH="47%"></TD></TR>


<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Todd Diggins &#150; Investor Relations</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Alec O&#146;Meara &#150; Media Relations</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Phone: <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">603-773-6504</FONT></FONT></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Phone: <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">603-773-6404</FONT></FONT></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Email: <U>diggins@unitil.com</U></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">Email:<U> omeara@unitil.com</U></FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">6 Liberty
Lane West </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Hampton, NH 03842 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">T 603.772.0775 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">www.unitil.com </FONT></P>


<p Style='page-break-before:always'>
<HR  SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> Page
 5
 of 5 </B></FONT></P> <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Selected
financial data for 2019 and 2018 is presented in the following table: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Unitil Corporation &#150; Condensed Financial Data
</B></FONT></P> <P STYLE="line-height:3px;margin-top:0px;margin-bottom:2px;border-bottom:0.5pt solid #000000">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><I>(Millions,
except Per Share and Shares Data) (Unaudited) </I></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TR>
<TD WIDTH="82%"></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="10" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Three&nbsp;Months&nbsp;Ended&nbsp;March&nbsp;31,</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2019</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>2018</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>Change</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><U>Gas Therm Sales:</U></B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">24.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">23.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Commercial/Industrial</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">72.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">70.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">2.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Gas Therm Sales</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>96.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>94.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>2.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><U>Electric kWh Sales:</U></B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Residential</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">181.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">188.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(3.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:2.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Commercial/Industrial</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">236.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">247.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">%)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:7.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Electric kWh Sales</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>417.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>436.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(4.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>%)&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD COLSPAN="12" VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Gas Revenues</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 86.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 87.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(0.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cost of Gas Sales</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">42.9</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">47.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(4.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Gas Sales Margin</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>43.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>39.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>3.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Electric Revenues</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>64.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>57.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>7.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Cost of Electric Sales</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">41.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">35.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Electric Sales Margin</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>23.1</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>22.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.8</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Other Revenues</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>0.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>1.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>(0.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>)&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:9.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Total Sales Margin</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>67.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>63.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>4.0</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Operation&nbsp;&amp; Maintenance Expenses</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">18.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">17.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Depreciation&nbsp;&amp; Amortization</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">13.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">12.3</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.5</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Property&nbsp;&amp; Other Taxes</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">5.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.6</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Other Expense (Income), Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(12.1</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">1.7</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">(13.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">)&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:3.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Interest Expense, Net</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">6.0</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">0.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="bottom"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Income Before Income Taxes</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>34.7</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>20.4</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>14.3</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">Income Tax Expense</FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">8.2</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">4.8</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2">3.4</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:1px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:1.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Net Income</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 26.5</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 15.6</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 10.9</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
<TR STYLE="font-size:1px">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE="border-top:3px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid">
<TD VALIGN="top"> <P STYLE="margin-left:5.00em; text-indent:-1.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Earnings Per Share</B></FONT></P></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 1.78</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 1.06</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>$</B></FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B> 0.72</B></FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;</B></FONT></TD></TR>
</TABLE>
 <p STYLE="margin-top:0px;margin-bottom:0px"><FONT SIZE="1">&nbsp;</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">6 Liberty
Lane West </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">Hampton, NH 03842 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2">T 603.772.0775 </FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">www.unitil.com </FONT></P>

</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.INS
<SEQUENCE>8
<FILENAME>utl-20190331.xml
<DESCRIPTION>XBRL INSTANCE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN Xcelerate Instance Document - https://www.dfinsolutions.com/ -->
<!-- Version:  6.23.6 -->
<!-- Round: 5 -->
<!-- Creation date: 2019-04-24T16:19:51Z -->
<!-- Copyright (c) 2019 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <dei:AmendmentFlag contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_E3B1DAC4-1DA7-4FBA-9BAB-9EA4A8627AAE_1_1">false</dei:AmendmentFlag>
  <us-gaap:BasisOfAccountingPolicyPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_3C5DFF6B-46EC-4862-BCBD-8915C3DA66D3_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Basis of Presentation
 &amp;#x2013;&lt;/b&gt; The accompanying unaudited consolidated financial
 statements of Unitil have been prepared in accordance with the
 instructions to Form &lt;font style="WHITE-SPACE: nowrap"&gt;10-Q&lt;/font&gt;
 and include all of the information and footnotes required by
 generally accepted accounting principles. In the opinion of
 management, all adjustments considered necessary for a fair
 presentation have been included. The results of operations for the
 three months ended March&amp;#xA0;31, 2019 are not necessarily
 indicative of results to be expected for the year ending
 December&amp;#xA0;31, 2019. For further information, please refer to
 Note 1 of Part II to the Consolidated Financial Statements &amp;#x2013;
 &amp;#x201C;Summary of Significant Accounting Policies&amp;#x201D; of the
 Company&amp;#x2019;s Form &lt;font style="WHITE-SPACE: nowrap"&gt;10-K&lt;/font&gt;
 for the year ended December&amp;#xA0;31, 2018, as filed with the
 Securities and Exchange Commission (SEC) on January&amp;#xA0;31, 2019,
 for a description of the Company&amp;#x2019;s Basis of
 Presentation.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:BasisOfAccountingPolicyPolicyTextBlock>
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  <us-gaap:CashAndCashEquivalentsPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_49BC9B1D-C710-4D13-A1F4-95434F49136C_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Cash and Cash
 Equivalents &amp;#x2013;&lt;/b&gt; Cash and Cash Equivalents includes all cash
 and cash equivalents to which the Company has legal title. Cash
 equivalents include short-term investments with original maturities
 of three months or less and interest bearing deposits. The
 Company&amp;#x2019;s cash and cash equivalents are held at financial
 institutions and at times may exceed federally insured limits. The
 Company has not experienced any losses in such accounts. Under the
 Independent System Operator &amp;#x2013; New England &lt;font style="WHITE-SPACE: nowrap"&gt;(ISO-NE)&lt;/font&gt; Financial Assurance Policy
 (Policy), Unitil&amp;#x2019;s subsidiaries Unitil Energy, Fitchburg and
 Unitil Power are required to provide assurance of their ability to
 satisfy their obligations to &lt;font style="WHITE-SPACE: nowrap"&gt;ISO-NE.&lt;/font&gt; Under this Policy,
 Unitil&amp;#x2019;s subsidiaries provide cash deposits covering
 approximately &lt;font style="WHITE-SPACE: nowrap"&gt;2-1/2&lt;/font&gt; months
 of outstanding obligations, less credit amounts that are based on
 the Company&amp;#x2019;s credit rating. As of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the Unitil
 subsidiaries had deposited $3.0&amp;#xA0;million, $3.3&amp;#xA0;million and
 $3.5&amp;#xA0;million, respectively to satisfy their &lt;font style="WHITE-SPACE: nowrap"&gt;ISO-NE&lt;/font&gt; obligations.&lt;/font&gt;&lt;/p&gt;
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  <dei:CurrentFiscalYearEndDate contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_6738348D-D397-4E52-8F68-316C35A984DF_1_3">--12-31</dei:CurrentFiscalYearEndDate>
  <us-gaap:DebtDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_0060E87E-BCEA-4B2C-BC3D-14E97FDEA20B_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;NOTE 4 &amp;#x2013; DEBT AND
 FINANCING ARRANGEMENTS&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Details on long-term debt
 at March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018 and December&amp;#xA0;31,
 2018 are shown below:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="79%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Unitil
 Corporation:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.33% Senior Notes, Due
 May&amp;#xA0;1, 2022&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;20.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.70% Senior Notes, Due
 August&amp;#xA0;1, 2026&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;30.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Unitil Energy First
 Mortgage Bonds:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.24% Senior Secured Notes,
 Due March&amp;#xA0;2, 2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.49% Senior Secured Notes,
 Due October&amp;#xA0;14, 2024&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;6.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.96% Senior Secured Notes,
 Due September&amp;#xA0;1, 2028&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;20.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.00% Senior Secured Notes,
 Due May&amp;#xA0;1, 2031&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.32% Senior Secured Notes,
 Due September&amp;#xA0;15, 2036&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.18% Senior Secured Notes,
 Due November&amp;#xA0;30, 2048&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;30.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Fitchburg:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.75% Senior Notes, Due
 November&amp;#xA0;30, 2023&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.79% Senior Notes, Due
 October&amp;#xA0;15, 2025&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.52% Senior Notes, Due
 November&amp;#xA0;1, 2027&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.37% Senior Notes, Due
 January&amp;#xA0;15, 2029&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;12.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;12.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;12.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.90% Senior Notes, Due
 December&amp;#xA0;15, 2030&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.98% Senior Notes, Due
 June&amp;#xA0;1, 2031&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;14.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.32% Senior Notes, Due
 November&amp;#xA0;1, 2047&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Northern
 Utilities:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.95% Senior Notes, Due
 December&amp;#xA0;3, 2018&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.29% Senior Notes, Due
 March&amp;#xA0;2, 2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;8.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;16.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;16.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.52% Senior Notes, Due
 November&amp;#xA0;1, 2027&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;20.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.72% Senior Notes, Due
 December&amp;#xA0;3, 2038&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;50.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.42% Senior Notes, Due
 October&amp;#xA0;15, 2044&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;50.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.32% Senior Notes, Due
 November&amp;#xA0;1, 2047&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;30.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Granite
 State:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.15% Senior Notes, Due
 December&amp;#xA0;15, 2018&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.72% Senior Notes, Due
 November&amp;#xA0;1, 2027&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Long-Term
 Debt&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;395.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;396.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;409.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Unamortized Debt
 Issuance Costs&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Long-Term Debt, net
 of Unamortized Debt Issuance Costs&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;392.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;392.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;405.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current
 Portion&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;19.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;29.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;18.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Long-term Debt, Less
 Current Portion&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;373.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;363.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;387.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Currently, the Company
 believes that there is no active market in the Company&amp;#x2019;s debt
 securities, which have all been sold through private placements. If
 there were an active market for the Company&amp;#x2019;s debt
 securities, the fair value of the Company&amp;#x2019;s long-term debt
 would be estimated based on the quoted market prices for the same
 or similar issues, or on the current rates offered to the Company
 for debt of the same remaining maturities. The fair value of the
 Company&amp;#x2019;s long-term debt is estimated using Level&amp;#xA0;2
 inputs (valuations based on quoted prices available in active
 markets for similar assets or liabilities, quoted prices for
 identical or similar assets or liabilities in inactive markets,
 inputs other than quoted prices that are directly observable, and
 inputs derived principally from market data.) In estimating the
 fair value of the Company&amp;#x2019;s long-term debt, the assumed
 market yield reflects the Moody&amp;#x2019;s Baa Utility Bond Average
 Yield. Costs, including prepayment costs, associated with the early
 settlement of long-term debt are not taken into consideration in
 determining fair value.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="79%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Estimated Fair Value of
 Long-Term Debt&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;418.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;428.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;422.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Credit
 Arrangements&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;On July&amp;#xA0;25, 2018, the
 Company entered into a Second Amended and Restated Credit Agreement
 and related documents (collectively, the &amp;#x201C;Credit
 Facility&amp;#x201D;) with a syndicate of lenders, which amended and
 restated in its entirety the Company&amp;#x2019;s prior credit facility.
 The Credit Facility extends to July&amp;#xA0;25, 2023, subject to two
 &lt;font style="WHITE-SPACE: nowrap"&gt;one-year&lt;/font&gt; extensions under
 certain circumstances, and has a borrowing limit of
 $120&amp;#xA0;million, which includes a $25&amp;#xA0;million sublimit for
 the issuance of standby letters of credit. The Credit Facility
 provides the Company with the ability to elect that borrowings
 under the Credit Facility bear interest under several options,
 including at a daily fluctuating rate of interest per annum equal
 to &lt;font style="WHITE-SPACE: nowrap"&gt;one-month&lt;/font&gt; London
 Interbank Offered Rate plus 1.125%. The Company may increase the
 borrowing limit under the Credit Facility by up to $50&amp;#xA0;million
 under certain circumstances.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company utilizes the
 Credit Facility for cash management purposes related to its
 short-term operating activities. Total gross borrowings were
 $75.7&amp;#xA0;million for the three months ended March&amp;#xA0;31, 2019.
 Total gross repayments were $92.7&amp;#xA0;million for the three months
 ended March&amp;#xA0;31, 2019. The following table details the
 borrowing limits, amounts outstanding and amounts available under
 the Credit Facility as of March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018
 and December&amp;#xA0;31, 2018:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="79%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Revolving Credit
 Facility&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($&amp;#xA0;millions)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Limit&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;120.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;120.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;120.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Short-Term Borrowings
 Outstanding&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;65.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;45.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;82.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Available&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;54.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;37.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Credit Facility
 contains customary terms and conditions for credit facilities of
 this type, including affirmative and negative covenants. There are
 restrictions on, among other things, the Company&amp;#x2019;s and its
 subsidiaries&amp;#x2019; ability to permit liens or incur indebtedness,
 and restrictions on the Company&amp;#x2019;s ability to merge or
 consolidate with another entity or change its line of business. The
 affirmative and negative covenants under the Credit Facility shall
 apply until the Credit Facility terminates and all amounts borrowed
 under the Credit Facility are paid in full (or with respect to
 letters of credit, they are cash collateralized). The only
 financial covenant in the Credit Facility provides that Funded Debt
 to Capitalization (as each term is defined in the Credit Facility)
 cannot exceed 65%, tested on a quarterly basis. At March&amp;#xA0;31,
 2019, March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the Company
 was in compliance with the covenants contained in the Credit
 Facility in effect on that date. (See also &amp;#x201C;Credit
 Arrangements&amp;#x201D; in Note 4.)&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company believes the
 future operating cash flows of the Company, along with its existing
 borrowing availability and access to financial markets for the
 issuance of new long-term debt, will be sufficient to meet any
 working capital and future operating requirements, and capital
 investment forecast opportunities.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The weighted average
 interest rates on all short-term borrowings and intercompany money
 pool transactions were 3.7% and 2.9% for the three months ended
 March&amp;#xA0;31, 2019 and March&amp;#xA0;31, 2018, respectively. The
 weighted average interest rate on all short-term borrowings for the
 twelve months ended December&amp;#xA0;31, 2018 was 3.3%.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;As discussed previously,
 the Company divested of its &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; subsidiary business,
 Usource, in the first quarter of 2019. The Company used the net
 proceeds of $9.8&amp;#xA0;million from this divestiture for general
 corporate purposes.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;On November&amp;#xA0;30, 2018
 Unitil Energy issued $30&amp;#xA0;million of First Mortgage Bonds due
 November&amp;#xA0;30, 2048 at 4.18%. Unitil Energy used the net
 proceeds from this offering to repay short-term debt and for
 general corporate purposes. Approximately $0.5&amp;#xA0;million of
 costs associated with these issuances have been netted against
 long-term debt for presentation purposes on the Consolidated
 Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;In April 2014, Unitil
 Service Corp. entered into a financing arrangement, structured as a
 capital lease obligation, for various information systems and
 technology equipment. Final funding under this capital lease
 occurred on October&amp;#xA0;30, 2015, resulting in total funding of
 $13.4&amp;#xA0;million. The capital lease matures on September&amp;#xA0;30,
 2020. As of March&amp;#xA0;31, 2019, there are $2.8&amp;#xA0;million of
 current and $1.6&amp;#xA0;million of noncurrent obligations under this
 capital lease on the Company&amp;#x2019;s Consolidated Balance
 Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unitil Corporation and its
 utility subsidiaries, Fitchburg, Unitil Energy, Northern Utilities,
 and Granite State are currently rated &amp;#x201C;BBB+&amp;#x201D; by
 Standard&amp;#xA0;&amp;amp; Poor&amp;#x2019;s Ratings Services. Unitil
 Corporation and Granite State are currently rated
 &amp;#x201C;Baa2&amp;#x201D;, and Fitchburg, Unitil Energy and Northern
 Utilities are currently rated &amp;#x201C;Baa1&amp;#x201D; by Moody&amp;#x2019;s
 Investors Services.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Northern Utilities enters
 into asset management agreements under which Northern Utilities
 releases certain natural gas pipeline and storage assets, resells
 the natural gas storage inventory to an asset manager and
 subsequently repurchases the inventory over the course of the
 natural gas heating season at the same price at which it sold the
 natural gas inventory to the asset manager. There was
 $2.2&amp;#xA0;million, $1.0&amp;#xA0;million and $8.4&amp;#xA0;million of
 natural gas storage inventory at March&amp;#xA0;31, 2019,&amp;#xA0;March
 31, 2018 and December&amp;#xA0;31, 2018, respectively, related to these
 asset management agreements. The amount of natural gas inventory
 released in March 2019 and payable in April 2019 is
 $2.1&amp;#xA0;million and is recorded in Accounts Payable at
 March&amp;#xA0;31, 2019. The amount of natural gas inventory released
 in March 2018 and payable in April 2018 was $1.0&amp;#xA0;million and
 was recorded in Accounts Payable at March&amp;#xA0;31, 2018. The amount
 of natural gas inventory released in December 2018 and payable in
 January 2019 was $0.9&amp;#xA0;million and was recorded in Accounts
 Payable at December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 18px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Guarantees&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company provides
 limited guarantees on certain energy and natural gas storage
 management contracts entered into by the distribution utilities.
 The Company&amp;#x2019;s policy is to limit the duration of these
 guarantees. As of March&amp;#xA0;31, 2019, there were approximately
 $4.3&amp;#xA0;million of guarantees outstanding.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unitil&amp;#x2019;s subsidiaries
 and also lease some of their vehicles, machinery and office
 equipment under both capital and operating lease
 arrangements.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total rental expense under
 operating leases charged to operations for the three months ended
 March&amp;#xA0;31, 2019 and 2018 amounted to $0.4&amp;#xA0;million and
 $0.5&amp;#xA0;million, respectively.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The balance sheet
 classification of the Company&amp;#x2019;s lease obligations was as
 follows:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Lease Obligations ($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Operating Lease
 Obligations:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Current Liabilities
 (current portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Noncurrent
 Liabilities (long-term portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Operating Lease
 Obligations&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Capital Lease
 Obligations:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Current Liabilities
 (current portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Noncurrent
 Liabilities (long-term portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Capital Lease
 Obligations&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Lease
 Obligations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;8.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Cash paid for amounts
 included in the measurement of operating lease obligations for the
 three months ended March&amp;#xA0;31, 2019 was $0.4&amp;#xA0;million and
 was included in Cash Provided by Operating Activities on the
 Consolidated Statements of Cash Flows.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Assets under capital leases
 amounted to approximately $14.9&amp;#xA0;million, $15.0&amp;#xA0;million
 and $15.0&amp;#xA0;million as of March&amp;#xA0;31, 2019, March&amp;#xA0;31,
 2018 and December&amp;#xA0;31, 2018, respectively, less accumulated
 amortization of $1.8&amp;#xA0;million, $1.1&amp;#xA0;million and
 $1.7&amp;#xA0;million, respectively and are included in Net Utility
 Plant on the Company&amp;#x2019;s Consolidated Balance
 Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table is a
 schedule of future operating lease payment obligations and future
 minimum lease payments under capital leases as of March&amp;#xA0;31,
 2019. The payments for capital leases consist of $3.0&amp;#xA0;million
 of current capital lease obligations, which are included in Other
 Current Liabilities and $1.9&amp;#xA0;million of noncurrent capital
 lease obligations, which are included in Other Noncurrent
 Liabilities, on the Company&amp;#x2019;s Consolidated Balance Sheets as
 of March&amp;#xA0;31, 2019. $2.8&amp;#xA0;million of the current capital
 lease obligations and $1.6&amp;#xA0;million of the noncurrent capital
 lease obligations reflect amounts under a financing arrangement
 entered into in April 2014 for various information systems and
 technology equipment. The financing arrangement is structured as a
 capital lease obligation.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The payments for operating
 leases consist of $1.1&amp;#xA0;million of current operating lease
 obligations, which are included in Other Current Liabilities and
 $2.8&amp;#xA0;million of noncurrent operating lease obligations, which
 are included in Other Noncurrent Liabilities, on the
 Company&amp;#x2019;s Consolidated Balance Sheets as of March&amp;#xA0;31,
 2019.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="86%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Lease Payments ($000&amp;#x2019;s)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Operating&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Capital&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Year Ending
 December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rest of 2019&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;967&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2,369&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,141&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2,576&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2021&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;972&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;96&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2022&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;691&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;33&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2023&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;391&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2024-2028&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;119&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total
 Payments&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4,281&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5,089&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Interest&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;426&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;122&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Amount of Lease
 Obligations Recorded on Consolidated Balance Sheets&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3,855&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4,967&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Operating lease obligations
 are based on the net present value of the remaining lease payments
 over the remaining lease term. In determining the present value of
 lease payments, the Company used the interest rate stated in each
 lease agreement. As of March&amp;#xA0;31, 2019, the weighted average
 remaining lease term is 3.9 years and the weighted average
 operating discount rate used to determine the operating lease
 obligations was 5.3%.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;u&gt;Disclosures Related to
 Periods Prior to the Adoption of ASU NO. &lt;font style="WHITE-SPACE: nowrap"&gt;2016-02&lt;/font&gt; &amp;#x2013; Leases (See Note
 1).&lt;/u&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The payment amounts in the
 following table, which are as of December&amp;#xA0;31, 2018, would not
 differ substantially from the payment amounts as of March&amp;#xA0;31,
 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="86%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Lease Payments ($000&amp;#x2019;s)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Operating&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Capital&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Year Ending
 December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2019&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,372&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3,069&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,138&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2,535&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2021&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;969&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;93&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2022&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;689&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;32&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2023&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;390&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2024-2028&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;120&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total
 Payments&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4,678&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5,743&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:DebtDisclosureTextBlock>
  <us-gaap:DeferredIncomeTaxExpenseBenefit contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_4">8200000</us-gaap:DeferredIncomeTaxExpenseBenefit>
  <us-gaap:DerivativesPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_786D4AE5-D9AA-4851-97DE-71D8A044CFCC_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Derivatives &amp;#x2013;&lt;/b&gt;
 The Company&amp;#x2019;s regulated energy subsidiaries enter into energy
 supply contracts to serve their electric and gas customers. The
 Company follows a procedure for determining whether each contract
 qualifies as a derivative instrument under the guidance provided by
 the FASB Codification on Derivatives and Hedging. For each
 contract, the Company reviews and documents the key terms of the
 contract. Based on those terms and any additional relevant
 components of the contract, the Company determines and documents
 whether the contract qualifies as a derivative instrument as
 defined in the FASB Codification. The Company has determined that
 none of its energy supply contracts qualify as a derivative
 instrument under the guidance set forth in the FASB
 Codification.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:DerivativesPolicyTextBlock>
  <us-gaap:EarningsPerShareBasicAndDiluted contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD_per_shares" decimals="2" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_18">1.78</us-gaap:EarningsPerShareBasicAndDiluted>
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 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="17%"&gt;&lt;/td&gt;
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  <us-gaap:EnvironmentalLossContingencyDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_98543AB7-09C4-4160-BDA9-EA61584889AA_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;NOTE 7 &amp;#x2013;
 ENVIRONMENTAL MATTERS&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;UNITIL&amp;#x2019;S
 ENVIRONMENTAL MATTERS ARE DESCRIBED IN NOTE 8 TO THE FINANCIAL
 STATEMENTS IN ITEM 8 OF PART II OF UNITIL CORPORATION&amp;#x2019;S FORM
 &lt;font style="WHITE-SPACE: nowrap"&gt;10-K&lt;/font&gt; FOR DECEMBER&amp;#xA0;31,
 2018 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON
 JANUARY&amp;#xA0;31, 2019.&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company&amp;#x2019;s past
 and present operations include activities that are generally
 subject to extensive and complex federal and state environmental
 laws and regulations. The Company is in material compliance with
 applicable environmental and safety laws and regulations and, as of
 March&amp;#xA0;31, 2019, has not identified any material losses
 reasonably likely to be incurred in excess of recorded amounts.
 However, the Company cannot assure that significant costs and
 liabilities will not be incurred in the future. It is possible that
 other developments, such as increasingly stringent federal, state
 or local environmental laws and regulations could result in
 increased environmental compliance costs. Based on the
 Company&amp;#x2019;s current assessment of its environmental
 responsibilities, existing legal requirements and regulatory
 policies, the Company does not believe that these environmental
 costs will have a material adverse effect on the Company&amp;#x2019;s
 consolidated financial position or results of
 operations.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Northern Utilities
 Manufactured Gas Plant Sites &amp;#x2013;&lt;/b&gt; Northern Utilities has an
 extensive program to identify, investigate and remediate former
 manufactured gas plant (MGP) sites, which were operated from the
 &lt;font style="WHITE-SPACE: nowrap"&gt;mid-1800s&lt;/font&gt; through the
 &lt;font style="WHITE-SPACE: nowrap"&gt;mid-1900s.&lt;/font&gt; In New
 Hampshire, MGP sites were identified in Dover, Exeter, Portsmouth,
 Rochester and Somersworth. In Maine, Northern Utilities has
 documented the presence of MGP sites in Lewiston and Portland, and
 a former MGP disposal site in Scarborough.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Northern Utilities has
 worked with the Maine Department of Environmental Protection and
 New Hampshire Department of Environmental Services to address
 environmental concerns with these sites. Northern Utilities or
 others have substantially completed remediation of all sites,
 though on site monitoring continues and it is possible that future
 activities may be required.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The NHPUC and MPUC have
 approved regulatory mechanisms for the recovery of MGP
 environmental costs. For Northern Utilities&amp;#x2019; New Hampshire
 division, the NHPUC has approved the recovery of MGP environmental
 costs over succeeding seven-year periods. For Northern
 Utilities&amp;#x2019; Maine division, the MPUC has authorized the
 recovery of environmental remediation costs over succeeding
 five-year periods.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Environmental
 Obligations table below shows the amounts accrued for Northern
 Utilities related to estimated future cleanup costs associated with
 Northern Utilities&amp;#x2019; environmental remediation obligations for
 former MGP sites. Corresponding Regulatory Assets were recorded to
 reflect that the future recovery of these environmental remediation
 costs is expected based on regulatory precedent and established
 practices.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Fitchburg&amp;#x2019;s
 Manufactured Gas Plant Site &amp;#x2013;&lt;/b&gt; Fitchburg has worked with
 the Massachusetts Department of Environmental Protection to address
 environmental concerns with the former MGP site at Sawyer Passway,
 and has substantially completed remediation activities, though on
 site monitoring will continue and it is possible that future
 activities may be required.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Environmental
 Obligations table below shows the amounts accrued for Fitchburg
 related to estimated and periodic, regulatory review costs for the
 completed permanent remediation of the Sawyer Passway site. A
 corresponding Regulatory Asset was recorded to reflect that the
 recovery of these environmental remediation costs is probable
 through the regulatory process. The amounts recorded do not assume
 any amounts are recoverable from insurance companies or other third
 parties. Fitchburg recovers the environmental response costs
 incurred at this former MGP site in gas rates pursuant to the terms
 of a cost recovery agreement approved by the MDPU. Pursuant to this
 agreement, Fitchburg is authorized to amortize and recover
 environmental response costs from gas customers over succeeding
 seven-year periods.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table sets
 forth a summary of changes in the Company&amp;#x2019;s liability for
 Environmental Obligations for the three months ended March&amp;#xA0;31,
 2019 and 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
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 &lt;td width="76%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
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 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Environmental Obligations&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
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 millions)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
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 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fitchburg&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Northern&lt;br /&gt;
 Utilities&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three months ended
 March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Balance at
 Beginning of Period&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Additions&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Payments /
 Reductions&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Balance at End of
 Period&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current
 Portion&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Noncurrent Balance at
 End of Period&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:EnvironmentalLossContingencyDisclosureTextBlock>
  <us-gaap:IncomeTaxDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_3A873E3F-EF23-4C8D-B51F-19DCCD473F80_1_0">&lt;div&gt;
 &lt;p style="margin-top:18px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;&lt;b&gt;NOTE 8: INCOME
 TAXES&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:6px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;In December 2017, the Tax
 Cuts and Jobs Act (TCJA), which included a reduction to the
 corporate federal income tax rate to 21% effective January&amp;#xA0;1,
 2018, was signed into law. In accordance with GAAP Accounting
 Standard 740, the Company revalued its Accumulated Deferred Income
 Taxes (ADIT) at the new 21% tax rate at which the ADIT will be
 reversed in future periods. The Company recorded a net Regulatory
 Liability in the amount of $48.9&amp;#xA0;million at December&amp;#xA0;31,
 2017 as a result of the ADIT revaluation.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="font-size:1px;margin-top:12px;margin-bottom:0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="margin-top:0px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;The MDPU issued a
 multi-utility Order D.P.U. &lt;font style="white-space:nowrap"&gt;&lt;font style="white-space:nowrap"&gt;18-15-E&lt;/font&gt;&lt;/font&gt; (the
 &amp;#x201C;Order&amp;#x201D;) on December&amp;#xA0;21, 2018. The Order clarified
 the categories of Excess ADIT for Massachusetts ratemaking: 1)
 Excess protected ADIT directly related to utility plant fixed
 assets (rate base), 2) other &lt;font style="white-space:nowrap"&gt;non-plant&lt;/font&gt; excess ADIT amounts
 (unprotected), and 3) excess ADIT created through reconciling
 mechanisms. In the Order, all Massachusetts utilities were ordered
 to begin flow back of protected and unprotected excess ADIT on
 February&amp;#xA0;1, 2019 and to reconcile excess ADIT amounts
 previously collected from ratepayers through reconciliation
 mechanisms in the next filing of each of those individual
 reconciling mechanisms. Fitchburg was ordered to begin flowing back
 to customers excess ADIT of $10.1&amp;#xA0;million and
 $10.4&amp;#xA0;million to electric and gas ratepayers, respectively,
 over approximately fifteen years. Fitchburg filed its compliance
 filing under &lt;font style="white-space:nowrap"&gt;&lt;font style="white-space:nowrap"&gt;D.P.U.18-15-E&lt;/font&gt;&lt;/font&gt; on January&amp;#xA0;4,
 2019 for rates effective February&amp;#xA0;1, 2019. The MDPU approved
 this filing on January&amp;#xA0;16, 2019. The filing will be updated
 and the balances of excess ADIT will be reconciled
 annually.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;On November&amp;#xA0;15, 2018
 the FERC issued two pronouncements regarding the accounting for
 income taxes due to the TCJA; 1) Notice of Proposed Rulemaking
 Docket No. RM &lt;font style="white-space:nowrap"&gt;&lt;font style="white-space:nowrap"&gt;19-5-000&lt;/font&gt;&lt;/font&gt; and 2) Policy Statement
 PL &lt;font style="white-space:nowrap"&gt;&lt;font style="white-space:nowrap"&gt;19-2-000&lt;/font&gt;&lt;/font&gt; providing specific
 guidance on the flow back of excess ADIT created by the
 implementation of the TCJA. Final rules are expected to be issued
 in the second quarter of 2019. According to the FERC guidance; the
 amount of the reduction to ADIT that was previously collected from
 customers but is no longer payable to the IRS is excess ADIT and
 should be flowed back to ratepayers under general ratemaking
 principles.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;Based on communications
 received by the Company from its state regulators in rate cases and
 other regulatory proceedings in the first quarter of 2018 and as
 prescribed in the TCJA, the recent FERC guidance noted above and
 IRS normalization rules; the benefit of these protected excess ADIT
 amounts will be subject to flow back to customers in future utility
 rates according to the Average Rate Assumption Method (ARAM). ARAM
 reconciles excess ADIT at the reversal rate of the underlying
 book/tax temporary timing differences. The Company estimates the
 ARAM flow back period to be between fifteen and twenty years.
 Subject to regulatory approval, the Company expects to flow back to
 customers a net $47.1&amp;#xA0;million of protected excess ADIT created
 as a result of the lowering of the statutory tax rate by the TCJA
 over periods estimated to be fifteen to twenty years.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;In addition to the protected
 excess $47.1&amp;#xA0;million ADIT amounts the Company expects to flow
 through to customers in utility rates, as noted above, there is
 approximately $1.8&amp;#xA0;million of excess ADIT created through
 reconciling mechanisms at December&amp;#xA0;31, 2017, related to the
 implementation of the new federal tax rate of the TCJA, which had
 not been previously collected from customers through utility rates.
 The Company will reconcile these excess ADIT amounts through the
 specific reconciliation mechanisms in the next filing of each of
 those individual reconciling mechanisms which will be subject to
 the review of state regulators.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;In addition to the
 $48.9&amp;#xA0;million of net excess ADIT noted above; there is
 $5.8&amp;#xA0;million of excess ADIT at December&amp;#xA0;31, 2017, created
 by the recognition of Net Operating Loss Carryforward assets
 (NOLC), discussed below, and related to the implementation of the
 new federal tax rate of the TCJA, which had not been previously
 included in utility rates. The Company is recognizing the benefit
 of this excess ADIT in accordance with the regulatory treatment of
 excess ADIT for each of jurisdiction. In 2018 the Company
 recognized $2.4&amp;#xA0;million of this tax benefit provision due to
 the turning of book/tax temporary differences associated with this
 excess ADIT. The Company expects to recognize the remaining
 $3.4&amp;#xA0;million of this excess ADIT in future periods, which is
 currently expected to be in 2019 and 2020, in accordance with
 regulatory guidance as discussed above.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:0px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;The Company has not yet
 received regulatory orders in all of its jurisdictions regarding
 the flow-back of excess deferred taxes. The Company&amp;#x2019;s
 regulators are expected to issue additional ratemaking guidance in
 future periods that will determine the final disposition of the
 &lt;font style="white-space:nowrap"&gt;re-measurement&lt;/font&gt; of
 regulatory deferred tax balances. At this time, the Company has
 applied a reasonable interpretation of the TCJA and a reasonable
 estimate of the regulatory resolution. Future clarification of TCJA
 matters with the Company&amp;#x2019;s regulators may change the amounts
 estimated.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;Under the Company&amp;#x2019;s
 Tax Sharing Agreement (the &amp;#x201C;Agreement&amp;#x201D;) which was
 approved upon the formation of Unitil as a PUHC; the Company files
 consolidated Federal and State tax returns and Unitil Corporation
 and each of its utility operating subsidiaries recognize the
 results of their operations in its tax returns as if it were a
 stand-alone taxpayer. The Agreement provides that the Company will
 account for income taxes in compliance with U.S. GAAP and
 regulatory accounting principles. The Company filed its tax returns
 for the year ended December&amp;#xA0;31, 2017 with the Internal Revenue
 Service in September 2018 and generated additional federal NOLC
 assets of $3.7&amp;#xA0;million principally due to pension cost
 deductions, tax repair deductions, tax depreciation and research
 and development deductions. For the year ended December&amp;#xA0;31,
 2018, the Company calculated federal current tax of
 $7.7&amp;#xA0;million and offset it with a decrease to the federal NOLC
 of $7.7&amp;#xA0;million, resulting in no federal current taxes payable
 for the period. As of December&amp;#xA0;31, 2018, the Company had
 recorded cumulative federal and state NOLC assets of
 $10.8&amp;#xA0;million to offset against taxes payable in future
 periods. If unused, the Company&amp;#x2019;s NOLC carryforward assets
 will begin to expire in 2029. In addition, at December&amp;#xA0;31,
 2017, the Company had $3.5&amp;#xA0;million of cumulative alternative
 minimum tax credits, general business tax credit and other state
 tax credit carryforwards to offset future income taxes
 payable.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;In assessing the near-term
 use of NOLCs and tax credits, the Company evaluates the expected
 level of future taxable income, available tax planning strategies,
 reversals of existing taxable temporary differences and taxable
 income available in carryback years. Based on all available
 evidence, both positive and negative, and the weight of that
 evidence to the extent such evidence can be objectively verified,
 the Company expects to utilize all of its NOLCs by
 December&amp;#xA0;31, 2019 prior to their expiration in
 2029.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;In March 2018, Unitil
 Corporation received notice that its Federal Income Tax return
 filings for the years ended December&amp;#xA0;31, 2015 and
 December&amp;#xA0;31, 2016 are under examination by the IRS. Currently,
 the Company believes that the ultimate resolution of this
 examination will not have a material impact on the Company&amp;#x2019;s
 financial statements. The Company remains subject to examination by
 New Hampshire tax authorities for the tax periods ended
 December&amp;#xA0;31, 2015; December&amp;#xA0;31, 2016; and
 December&amp;#xA0;31, 2017. Income tax filings for the year ended
 December&amp;#xA0;31, 2017 have been filed with the New Hampshire
 Department of Revenue Administration. The State of Maine has
 concluded its review of the Company&amp;#x2019;s tax returns for
 December&amp;#xA0;31, 2014, December&amp;#xA0;31, 2015, and
 December&amp;#xA0;31, 2016 which resulted in a small additional refund
 to the Company.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;The Company evaluated its
 tax positions at March&amp;#xA0;31, 2019 in accordance with the FASB
 Codification, and has concluded that no adjustment for recognition,
 &lt;font style="white-space:nowrap"&gt;de-recognition,&lt;/font&gt; settlement
 and foreseeable future events to any tax liabilities or assets as
 defined by the FASB Codification is required. The Company remains
 subject to examination by Federal, Maine, Massachusetts, and New
 Hampshire tax authorities for the tax periods ended
 December&amp;#xA0;31, 2015;&amp;#xA0;December&amp;#xA0;31, 2016; and
 December&amp;#xA0;31, 2017.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="margin-top:12px;margin-bottom:0px"&gt;&lt;font style="font-family:Times New Roman" size="2"&gt;The Company bills its
 customers for sales tax in Massachusetts and Maine. These taxes are
 remitted to the appropriate departments of revenue in each state
 and are excluded from revenues on the Company&amp;#x2019;s unaudited
 Consolidated Statements of Earnings.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:IncomeTaxDisclosureTextBlock>
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 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Income Taxes &amp;#x2013;&lt;/b&gt;
 The Company is subject to Federal and State income taxes as well as
 various other business taxes. This process involves estimating the
 Company&amp;#x2019;s current tax liabilities as well as assessing
 temporary and permanent differences resulting from the timing of
 the deductions of expenses and recognition of taxable income for
 tax and book accounting purposes. These temporary differences
 result in deferred tax assets and liabilities, which are included
 in the Company&amp;#x2019;s Consolidated Balance Sheets. The Company
 accounts for income tax assets, liabilities and expenses in
 accordance with the FASB Codification guidance on Income
 Taxes.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company classifies
 penalty and interest expense related to income tax liabilities as
 income tax expense and interest expense, respectively, in the
 Consolidated Statements of Earnings.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Provisions for income taxes
 are calculated in each of the jurisdictions in which the Company
 operates for each period for which a statement of earnings is
 presented. The Company accounts for income taxes in accordance with
 the FASB Codification guidance on Income Taxes, which requires an
 asset and liability approach for the financial accounting and
 reporting of income taxes. Significant judgments and estimates are
 required in determining the current and deferred tax assets and
 liabilities. The Company&amp;#x2019;s current and deferred tax assets
 and liabilities reflect its best assessment of estimated future
 taxes to be paid. In accordance with the FASB Codification, the
 Company periodically assesses the realization of its deferred tax
 assets and liabilities and adjusts the income tax provision, the
 current tax liability and deferred taxes in the period in which the
 facts and circumstances which gave rise to the revision become
 known.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:IncomeTaxPolicyTextBlock>
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  <us-gaap:IncomeTaxExpenseBenefit contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_16">8200000</us-gaap:IncomeTaxExpenseBenefit>
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  <us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_12">-300000</us-gaap:IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet>
  <us-gaap:IncreaseDecreaseInReceivables contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_9">-7700000</us-gaap:IncreaseDecreaseInReceivables>
  <us-gaap:IncreaseDecreaseInRegulatoryLiabilities contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_10">3500000</us-gaap:IncreaseDecreaseInRegulatoryLiabilities>
  <us-gaap:InterestIncomeExpenseNonoperatingNet contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_13">-6200000</us-gaap:InterestIncomeExpenseNonoperatingNet>
  <us-gaap:IncreaseDecreaseInAccountsReceivable contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_7">7100000</us-gaap:IncreaseDecreaseInAccountsReceivable>
  <us-gaap:IncreaseDecreaseInContractWithCustomerAsset contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_8">-14500000</us-gaap:IncreaseDecreaseInContractWithCustomerAsset>
  <us-gaap:InventoryPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_3EB93FFE-C238-46FB-8F1C-1E9000F18EFD_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Gas Inventory&lt;/b&gt;
 &amp;#x2013; The Company uses the weighted average cost methodology to
 value natural gas inventory. The following table shows the
 components of Gas Inventory as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas
 Inventory ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Natural Gas&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Propane&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Liquefied Natural
 Gas&amp;#xA0;&amp;amp; Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas
 Inventory&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:InventoryPolicyTextBlock>
  <us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_14">-300000</us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet>
  <us-gaap:InterestPaidNet contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_32">3600000</us-gaap:InterestPaidNet>
  <us-gaap:NetCashProvidedByUsedInInvestingActivities contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_19">2500000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
  <us-gaap:LeaseAndRentalExpense contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_89C6F34E-EC04-40D8-A28F-E95643B8253D_1_0">400000</us-gaap:LeaseAndRentalExpense>
  <us-gaap:LesseeLeasesPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_45D52B66-9B18-41DC-B04D-5A0FD4B88B38_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Leases &amp;#x2013;&lt;/b&gt; On
 January&amp;#xA0;1, 2019, the Company adopted ASU &lt;font style="WHITE-SPACE: nowrap"&gt;No.&amp;#xA0;2016-02,&lt;/font&gt; &amp;#x201C;Leases (Topic
 842)&amp;#x201D;&lt;i&gt;.&lt;/i&gt; The new standard requires lessees to record
 assets and liabilities on the balance sheet for all leases with
 terms longer than 12 months. Leases will be classified as either
 finance or operating, with classification affecting the pattern of
 expense recognition in the income statement. The Company elected
 the package of practical expedients permitted under the transition
 guidance within the new standard, which among other things, allows
 the Company to carryforward the historical lease classification.
 The Company also elected the practical expedient related to land
 easements, allowing the Company to carry forward its current
 accounting treatment for land easements on existing agreements. The
 Company made an accounting policy election to keep leases with an
 initial term of 12 months or less off of the balance sheet. The
 Company recognizes those lease payments in the Consolidated
 Statements of Earnings on a straight-line basis over the lease
 term.&amp;#xA0;The adoption of the standard resulted in recognition of
 approximately $4.2&amp;#xA0;million of lease assets and lease
 liabilities as of January&amp;#xA0;1, 2019 on the Company&amp;#x2019;s
 Consolidated Balance Sheets. The Company&amp;#x2019;s adoption of the
 standard did not have a material effect on its Consolidated
 Statements of Earnings and Consolidated Statements of Cash
 Flows.&amp;#xA0;See additional discussion below in the
 &amp;#x201C;Leases&amp;#x201D; section of Note 4 to the Consolidated
 Financial Statements.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:LesseeLeasesPolicyTextBlock>
  <us-gaap:MarketableSecuritiesPolicy contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_835695BF-9EEA-49E8-B4D8-27EC0BEB1C81_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Investments in
 Marketable Securities&lt;/b&gt; &amp;#x2013; The Company has a trust through
 which it invests in a variety of equity and fixed income mutual
 funds. These funds are intended to satisfy obligations under the
 Company&amp;#x2019;s Supplemental Executive Retirement Plan (SERP) (See
 further discussion of the SERP in Note 9.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;At March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the fair value of
 the Company&amp;#x2019;s investments in these trading securities, which
 are recorded on the Consolidated Balance Sheets in Other Assets,
 were $5.1&amp;#xA0;million, $5.1 and $4.8&amp;#xA0;million, respectively,
 as shown in the table below. These investments are valued based on
 quoted prices from active markets and are categorized in
 Level&amp;#xA0;1 as they are actively traded and no valuation
 adjustments have been applied. Changes in the fair value of these
 investments are recorded in Other Expense, Net.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fair Value
 of Marketable Securities ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Equity Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fixed Income
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Money Market
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Marketable
 Securities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company also sponsors
 the Unitil Corporation Deferred Compensation Plan (the &amp;#x201C;DC
 Plan&amp;#x201D;). The DC Plan is a &lt;font style="WHITE-SPACE: nowrap"&gt;non-qualified&lt;/font&gt; deferred compensation
 plan that provides a vehicle for participants to accumulate
 &lt;font style="WHITE-SPACE: nowrap"&gt;tax-deferred&lt;/font&gt; savings to
 supplement retirement income. The DC Plan, which was effective
 January&amp;#xA0;1, 2019, is open to senior management or other highly
 compensated employees as determined by the Company&amp;#x2019;s Board of
 Directors, and may also be used for recruitment and retention
 purposes for newly hired senior executives. The DC Plan design
 mirrors the Company&amp;#x2019;s Tax Deferred Savings and Investment
 Plan formula, but provides for contributions on compensation above
 the IRS limit, which will allow participants to defer up to 85% of
 base salary, and up to 85% of any cash incentive for retirement.
 The Company may also elect to make discretionary contributions on
 behalf of any participant in an amount determined by the
 Company&amp;#x2019;s Board of Directors. A trust has been established to
 invest the funds associated with the DC Plan.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;At March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the fair value of
 the Company&amp;#x2019;s investments in these trading securities related
 to the DC Plan, which are recorded on the Consolidated Balance
 Sheets in Other Assets, were $0.1&amp;#xA0;million, $0 and $0,
 respectively, as shown in the table below. These investments are
 valued based on quoted prices from active markets and are
 categorized in Level&amp;#xA0;1 as they are actively traded and no
 valuation adjustments have been applied. Changes in the fair value
 of these investments are recorded in Other Expense, Net.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fair Value
 of Marketable Securities ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Equity Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Money Market
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Marketable
 Securities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:MarketableSecuritiesPolicy>
  <us-gaap:NetCashProvidedByUsedInFinancingActivities contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_27">-43800000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
  <us-gaap:PaymentsOfDividends contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_25">5500000</us-gaap:PaymentsOfDividends>
  <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_294E17DE-A2A0-4E98-8FFE-AAABC91915BD_7005_5">26500000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
  <us-gaap:MarketableSecuritiesTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_3F87BA32-92D4-4072-93C2-1CF0AD35D5D0_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Changes in the fair value
 of these investments are recorded in Other Expense, Net.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fair Value
 of Marketable Securities ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Equity Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fixed Income
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Money Market
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Marketable
 Securities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:MarketableSecuritiesTextBlock>
  <us-gaap:NetCashProvidedByUsedInOperatingActivities contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_15">37800000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
  <us-gaap:NetIncomeLoss contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_17">26500000</us-gaap:NetIncomeLoss>
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  <us-gaap:OperatingLeasePayments contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_B4C4AF69-16BD-43A0-8CE1-329ABB4069BF_1_0">400000</us-gaap:OperatingLeasePayments>
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  <us-gaap:ProfitLoss contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_1">26500000</us-gaap:ProfitLoss>
  <us-gaap:PublicUtilitiesPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_DE064B26-8A48-488F-81C5-3DC1E50B03EF_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Accounting
 &amp;#x2013;&lt;/b&gt; The Company&amp;#x2019;s principal business is the
 distribution of electricity and natural gas by the three
 distribution utilities: Unitil Energy, Fitchburg and Northern
 Utilities. Unitil Energy and Fitchburg are subject to regulation by
 the FERC. Fitchburg is also regulated by the Massachusetts
 Department of Public Utilities (MDPU), Unitil Energy is regulated
 by the New Hampshire Public Utilities Commission (NHPUC) and
 Northern Utilities is regulated by the Maine Public Utilities
 Commission (MPUC) and NHPUC. Granite State, the Company&amp;#x2019;s
 natural gas transmission pipeline, is regulated by the FERC.
 Accordingly, the Company uses the Regulated Operations guidance as
 set forth in the FASB Codification. The Company has recorded
 Regulatory Assets and Regulatory Liabilities which will be
 recovered from customers, or applied for customer benefit, in
 accordance with rate provisions approved by the applicable public
 utility regulatory commission.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="78%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulatory
 Assets consist of the following ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Retirement
 Benefits&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;72.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;85.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;72.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Energy Supply&amp;#xA0;&amp;amp;
 Other Rate Adjustment Mechanisms&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;25.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;31.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Deferred Storm
 Charges&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Environmental&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;9.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Income Taxes&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Deferred
 Charges&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;11.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Regulatory
 Assets&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;127.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;145.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;140.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current Portion of
 Regulatory Assets&lt;/font&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;sup style="VERTICAL-ALIGN: baseline; POSITION: relative; BOTTOM: 0.8ex"&gt;(1)&lt;/sup&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;29.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;41.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Assets
 &amp;#x2013; noncurrent&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;97.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;111.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;99.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Reflects amounts included
 in Accrued Revenue, discussed above, on the Company&amp;#x2019;s
 Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulatory
 Liabilities consist of the following ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Income Taxes (Note
 8)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;48.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;49.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Energy Supply&amp;#xA0;&amp;amp;
 Other Rate Adjustment Mechanisms&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;13.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Gas Pipeline Refund (Note
 6)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Regulatory
 Liabilities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;62.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;60.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;58.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current Portion of
 Regulatory Liabilities&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Liabilities
 &amp;#x2013; noncurrent&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;47.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;49.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Generally, the Company
 receives a return on investment on its regulated assets for which a
 cash outflow has been made. Included in Regulatory Assets as of
 March&amp;#xA0;31, 2019 are $5.9&amp;#xA0;million of environmental costs,
 rate case costs and other expenditures to be recovered over varying
 periods in the next seven years. Regulators have authorized
 recovery of these expenditures, but without a return. Regulatory
 commissions can reach different conclusions about the recovery of
 costs, which can have a material impact on the Company&amp;#x2019;s
 Consolidated Financial Statements. The Company believes it is
 probable that its regulated distribution and transmission utilities
 will recover their investments in long-lived assets, including
 regulatory assets. If the Company, or a portion of its assets or
 operations, were to cease meeting the criteria for application of
 these accounting rules, accounting standards for businesses in
 general would become applicable and immediate recognition of any
 previously deferred costs, or a portion of deferred costs, would be
 required in the year in which the criteria are no longer met, if
 such deferred costs were not recoverable in the portion of the
 business that continues to meet the criteria for application of the
 FASB Codification topic on Regulated Operations. If unable to
 continue to apply the FASB Codification provisions for Regulated
 Operations, the Company would be required to apply the provisions
 for the Discontinuation of Rate-Regulated Accounting included in
 the FASB Codification. In the Company&amp;#x2019;s opinion, its
 regulated operations will be subject to the FASB Codification
 provisions for Regulated Operations for the foreseeable
 future.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:PublicUtilitiesPolicyTextBlock>
  <us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_4831639A-30DB-4B80-880E-2BFBE272AC1E_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;NOTE 9: RETIREMENT
 BENEFIT OBLIGATIONS&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company &lt;font style="WHITE-SPACE: nowrap"&gt;co-sponsors&lt;/font&gt; the Unitil Corporation
 Retirement Plan (Pension Plan), the Unitil Retiree Health and
 Welfare Benefits Plan (PBOP Plan), and the Unitil Corporation
 Supplemental Executive Retirement Plan (SERP) to provide certain
 pension and postretirement benefits for its retirees and current
 employees. Please see Note 10 to the Consolidated Financial
 Statements in the Company&amp;#x2019;s Form &lt;font style="WHITE-SPACE: nowrap"&gt;10-K&lt;/font&gt; for the year ended
 December&amp;#xA0;31, 2018 as filed with the SEC on January&amp;#xA0;31,
 2018 for additional information regarding these plans.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table
 includes the key weighted average assumptions used in determining
 the Company&amp;#x2019;s benefit plan costs and obligations:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="91%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;Used to Determine Plan
 Costs&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Discount Rate&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.25&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.60&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate of Compensation
 Increase&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.00&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.00&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Expected Long-term rate of
 return on plan assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.75&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.75&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Health Care Cost Trend Rate
 Assumed for Next Year&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.00&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.50&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Ultimate Health Care Cost
 Trend Rate&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.50&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.50&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Year that Ultimate Health
 Care Cost Trend Rate is reached&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2024&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2024&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table
 provides the components of the Company&amp;#x2019;s Retirement plan
 costs ($000&amp;#x2019;s):&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="65%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Pension
 Plan&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;PBOP
 Plan&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;SERP&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three Months
 Ended March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Service Cost&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;776&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;848&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;576&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;733&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;60&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;122&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Interest Cost&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,621&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,469&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;856&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;851&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;139&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;101&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Expected Return on Plan
 Assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(2,119&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(1,946&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(411&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(409&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Prior Service Cost
 Amortization&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;80&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;81&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;303&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;327&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Actuarial Loss
 Amortization&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,081&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,447&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;57&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;346&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;158&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;122&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;Sub-total&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,439&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,899&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,381&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,848&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;360&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;392&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Amounts Capitalized and
 Deferred&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(412&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(720&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(474&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(742&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(103&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(113&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Net Periodic Benefit Cost
 Recognized&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,027&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,179&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;907&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,106&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;257&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;279&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;u&gt;Employer
 Contributions&lt;/u&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;As of March&amp;#xA0;31, 2019,
 the Company had made $1.3&amp;#xA0;million and $0.4&amp;#xA0;million of
 contributions to its Pension Plan and PBOP Plan, respectively, in
 2019. The Company, along with its subsidiaries, expects to continue
 to make contributions to its Pension and PBOP Plans in 2019 and
 future years at minimum required and discretionary funding levels
 consistent with the amounts recovered in the distribution
 utilities&amp;#x2019; rates for these Pension and PBOP Plan
 costs.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;As of March&amp;#xA0;31, 2019,
 the Company had made $0.1&amp;#xA0;million of benefit payments under
 the SERP Plan in 2019. The Company presently anticipates making an
 additional $0.5&amp;#xA0;million of benefit payments under the SERP
 Plan in 2019.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
  <us-gaap:RepaymentsOfLongTermDebt contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_22">13400000</us-gaap:RepaymentsOfLongTermDebt>
  <us-gaap:RestrictedStockExpense contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_8D342581-64BB-4D4A-99B5-6870817C8860_2_2">1700000</us-gaap:RestrictedStockExpense>
  <us-gaap:RevenueRecognitionPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_98A68EE0-A4F5-4619-9FDA-056D4819C6FE_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Other Operating Revenue
 &amp;#x2013; &lt;font style="WHITE-SPACE: nowrap"&gt;Non-regulated&lt;/font&gt;
 &amp;#x2013;&lt;/b&gt; Other Operating Revenue consists solely ofrevenue from
 Usource, Unitil&amp;#x2019;s &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; subsidiary, which, as
 discussed previously, the Company divested of on March&amp;#xA0;1,
 2019. Usource conducted its business activities as a broker of
 competitive energy services. Usource did not take title to the
 electric and gas commodities which were the subject of the
 brokerage contracts. The Company recorded energy brokering revenues
 based upon the amount of electricity and gas delivered to customers
 through the end of the accounting period. Usource partnered with
 certain entities to facilitate these brokerage services and paid
 these entities a fee under revenue sharing agreements.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:RevenueRecognitionPolicyTextBlock>
  <us-gaap:ProceedsFromDivestitureOfBusinesses contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_18">13400000</us-gaap:ProceedsFromDivestitureOfBusinesses>
  <us-gaap:ProceedsFromIssuanceOfCommonStock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_26">300000</us-gaap:ProceedsFromIssuanceOfCommonStock>
  <us-gaap:PropertyPlantAndEquipmentPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_94383245-5D8E-4A8D-AE81-FF3F92FF63E9_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Utility Plant
 &amp;#x2013;&lt;/b&gt; The cost of additions to Utility Plant and the cost of
 renewals and betterments are capitalized. Cost consists of labor,
 materials, services and certain indirect construction costs,
 including an allowance for funds used during construction (AFUDC).
 The costs of current repairs and minor replacements are charged to
 appropriate operating expense accounts. The original cost of
 utility plant retired or otherwise disposed of is charged to the
 accumulated provision for depreciation. The Company includes in its
 mass asset depreciation rates, which are periodically reviewed as
 part of its ratemaking proceedings, cost of removal amounts to
 provide for future negative salvage value. At March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the Company
 estimates that the cost of removal amounts, which are recorded on
 the Consolidated Balance Sheets in Cost of Removal Obligations are
 $93.7&amp;#xA0;million, $86.6&amp;#xA0;million, and $90.7&amp;#xA0;million,
 respectively.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentPolicyTextBlock>
  <us-gaap:RegulatedAndUnregulatedOperatingRevenue contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_294E17DE-A2A0-4E98-8FFE-AAABC91915BD_7005_4">152100000</us-gaap:RegulatedAndUnregulatedOperatingRevenue>
  <us-gaap:ScheduleOfAssumptionsUsedTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_F465A41D-559C-4897-81AC-ED968DECC6B2_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table
 includes the key weighted average assumptions used in determining
 the Company&amp;#x2019;s benefit plan costs and obligations:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="91%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;Used to Determine Plan
 Costs&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Discount Rate&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.25&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.60&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate of Compensation
 Increase&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.00&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.00&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Expected Long-term rate of
 return on plan assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.75&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.75&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Health Care Cost Trend Rate
 Assumed for Next Year&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.00&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.50&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Ultimate Health Care Cost
 Trend Rate&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.50&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;%&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.50&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;%&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Year that Ultimate Health
 Care Cost Trend Rate is reached&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2024&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2024&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfAssumptionsUsedTableTextBlock>
  <us-gaap:ScheduleOfCostsOfRetirementPlansTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_9D58AF07-9D91-44AF-B79F-D11BCCB0317F_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table
 provides the components of the Company&amp;#x2019;s Retirement plan
 costs ($000&amp;#x2019;s):&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="65%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Pension
 Plan&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;PBOP
 Plan&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;SERP&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three Months
 Ended March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Service Cost&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;776&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;848&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;576&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;733&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;60&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;122&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Interest Cost&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,621&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,469&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;856&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;851&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;139&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;101&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Expected Return on Plan
 Assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(2,119&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(1,946&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(411&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(409&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Prior Service Cost
 Amortization&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;80&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;81&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;303&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;327&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Actuarial Loss
 Amortization&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,081&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,447&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;57&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;346&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;158&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;122&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;Sub-total&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,439&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,899&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,381&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,848&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;360&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;392&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Amounts Capitalized and
 Deferred&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(412&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(720&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(474&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(742&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(103&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(113&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Net Periodic Benefit Cost
 Recognized&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,027&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,179&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;907&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,106&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;257&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;279&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfCostsOfRetirementPlansTableTextBlock>
  <us-gaap:ScheduleOfDebtTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_68E33304-4E1C-44D7-B6B9-F55AEA0C005B_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table details
 the borrowing limits, amounts outstanding and amounts available
 under the Credit Facility as of March&amp;#xA0;31, 2019, March&amp;#xA0;31,
 2018 and December&amp;#xA0;31, 2018:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="79%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Revolving Credit
 Facility&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($&amp;#xA0;millions)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Limit&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;120.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;120.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;120.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Short-Term Borrowings
 Outstanding&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;65.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;45.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;82.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Available&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;54.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;37.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfDebtTableTextBlock>
  <us-gaap:ScheduleOfRegulatoryAssetsTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_5ABBAA7C-6B98-4BAD-9D66-D87920FA460A_1_0">&lt;div&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="78%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulatory
 Assets consist of the following ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Retirement
 Benefits&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;72.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;85.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;72.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Energy Supply&amp;#xA0;&amp;amp;
 Other Rate Adjustment Mechanisms&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;25.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;31.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Deferred Storm
 Charges&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Environmental&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;9.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Income Taxes&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Deferred
 Charges&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;11.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Regulatory
 Assets&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;127.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;145.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;140.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current Portion of
 Regulatory Assets&lt;/font&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;sup style="VERTICAL-ALIGN: baseline; POSITION: relative; BOTTOM: 0.8ex"&gt;(1)&lt;/sup&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;29.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;41.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Assets
 &amp;#x2013; noncurrent&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;97.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;111.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;99.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Reflects amounts included
 in Accrued Revenue, discussed above, on the Company&amp;#x2019;s
 Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfRegulatoryAssetsTextBlock>
  <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_4">152100000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
  <us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_7A939D41-696B-48E7-ABB8-2BDEB3D005BA_3_5">151200000</us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax>
  <us-gaap:PublicUtilitiesDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_269514D1-3E14-48C5-8272-940C7F375893_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;NOTE 6
 &amp;#x2013; REGULATORY MATTERS&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;UNITIL&amp;#x2019;S REGULATORY MATTERS ARE DESCRIBED IN NOTE 8 TO
 THE FINANCIAL STATEMENTS IN ITEM 8 OF PART II OF UNITIL
 CORPORATION&amp;#x2019;S FORM&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;10-K&lt;/font&gt;&amp;#xA0;FOR
 DECEMBER&amp;#xA0;31, 2018 AS FILED WITH THE SECURITIES AND EXCHANGE
 COMMISSION ON JANUARY&amp;#xA0;31, 2019.&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Tax Cuts
 and Jobs Act of 2017&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;On
 December&amp;#xA0;22, 2017, the Tax Cuts and Jobs Act of 2017 (TCJA)
 was signed into law. Among other things, the TCJA substantially
 reduced the corporate income tax rate to 21&amp;#xA0;percent, effective
 January&amp;#xA0;1, 2018. Each state public utility commission, with
 jurisdiction over the areas that are served by Unitil&amp;#x2019;s
 electric and gas subsidiary companies, issued orders directing how
 the tax law changes were to be reflected in rates. Unitil has
 complied with these orders and has made the required changes to its
 rates as directed by the commissions. The FERC has opened a
 rulemaking proceeding on this matter which has been addressed in a
 rate settlement filing by Granite State. More recently, on
 November&amp;#xA0;15, 2018, the FERC issued a Notice of Proposed
 Rulemaking and a Policy Statement to address the TCJA&amp;#x2019;s
 effects on the Accumulated Deferred Income Taxes (ADIT) on
 transmission rates. Under the proposed rules all public utilities
 with transmission formula rates, including Fitchburg, would be
 required to: (1)&amp;#xA0;include mechanisms to deduct any excess ADIT
 from or add any deficient ADIT to their rate bases;
 (2)&amp;#xA0;include mechanisms in those rates that would raise or
 lower their income tax allowances by any amortized excess or
 deficient ADIT; and (3)&amp;#xA0;incorporate a new permanent worksheet
 into their rates that will annually track information related to
 excess or deficient ADIT. The Company believes that these matters
 are substantially resolved and will not have a material impact on
 its financial position, operating results, or cash
 flows.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Rate Case
 Activity&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Unitil
 Energy &amp;#x2013; Base Rates &amp;#x2013;&amp;#xA0;&lt;/b&gt;On
 April&amp;#xA0;20, 2017 the NHPUC issued its final order providing for
 a permanent increase of $4.1&amp;#xA0;million, effective May&amp;#xA0;1,
 2017, followed by two annual rate step adjustments to recover the
 revenue requirements associated with certain capital expenditures.
 On April&amp;#xA0;30, 2018, the NHPUC approved the first step increase,
 effective May&amp;#xA0;1, 2018. The filing incorporated the revenue
 requirement of $3.3&amp;#xA0;million for 2017 plant additions, a
 reduction of $2.2&amp;#xA0;million for the effect of the federal tax
 decrease pursuant to the TCJA, along with the termination of
 the&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;one-year&lt;/font&gt;&amp;#xA0;$1.4&amp;#xA0;million
 reconciliation adjustment which had recouped the difference between
 temporary rates and final rates. The net effect of the three
 adjustments resulted in a revenue decrease of $0.3&amp;#xA0;million. On
 February&amp;#xA0;28, 2019, Unitil Energy filed its second and final
 step adjustment seeking a revenue increase of approximately
 $340,000. On April 22, 2019 this final step adjustment was approved
 by the NHPUC, effective May 1, 2019.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Fitchburg
 &amp;#x2013; Base Rates &amp;#x2013; Electric
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;Fitchburg&amp;#x2019;s base rates are
 decoupled, and subject to an annual revenue decoupling adjustment
 mechanism, which includes a cap on the amount that rates may be
 increased in any year. In Fitchburg&amp;#x2019;s last base rate order
 from the MDPU, issued in April 2016, the MDPU approved an annual
 capital cost recovery mechanism to recover the revenue requirement
 associated with certain capital additions. On June&amp;#xA0;28, 2018,
 Fitchburg filed its compliance report of capital investments for
 calendar year 2017. On November&amp;#xA0;1, 2018, Fitchburg filed its
 cumulative revenue requirement associated with the Company&amp;#x2019;s
 2015, 2016 and 2017 capital expenditures and associated Capital
 Cost Adjustment Factors to become effective on January&amp;#xA0;1,
 2019. On December&amp;#xA0;27, 2018, the Capital Cost Adjustment
 Factors were approved subject to further investigation and
 reconciliation. On April&amp;#xA0;3, 2019, the MDPU issued a final
 order approving Fitchburg&amp;#x2019;s 2017 filing, which provides for
 the recovery of the sum of the revenue requirement and
 reconciliation adjustment of $0.4&amp;#xA0;million. Final approval of
 the 2018 filing remains pending.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Fitchburg
 &amp;#x2013; Base Rates &amp;#x2013; Gas
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;Pursuant to the Company&amp;#x2019;s
 revenue decoupling adjustment clause tariff, as approved in its
 last base rate case, the Company is allowed to modify, on a
 semi-annual basis, its base distribution rates to an established
 revenue per customer target in order to mitigate economic, weather
 and energy efficiency impacts to the Company&amp;#x2019;s revenues. The
 MDPU has consistently found that the Company&amp;#x2019;s filings are in
 accord with its approved tariffs, applicable law and precedent, and
 that they result in just and reasonable rates.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Fitchburg
 &amp;#x2013; Gas System Enhancement Program
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;Pursuant to statute and MDPU order,
 Fitchburg has an approved Gas System Enhancement Plan (GSEP) tariff
 through which it may recover certain gas infrastructure replacement
 and safety related investment costs, subject to an annual cap.
 Under the plan, the Company is required to make two annual filings
 with the MDPU: a forward-looking filing for the subsequent
 construction year, to be filed on or before October 31; and a
 filing, submitted on or before May&amp;#xA0;1, of final project
 documentation for projects completed during the prior year,
 demonstrating substantial compliance with its plan in effect for
 that year and showing that project costs were reasonably and
 prudently incurred. While a number of the filings under the GSEP
 tariff may remain pending from&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;year-to-year&lt;/font&gt;&lt;/font&gt;&amp;#xA0;in
 any given year, the Company considers these to be routine
 regulatory proceedings and there are no material issues
 outstanding. Under this tariff, a revenue increase of
 $0.9&amp;#xA0;million went into effect on May&amp;#xA0;1, 2018, subject to
 the annual cap and reconciliation. On October&amp;#xA0;31, 2018, the
 MDPU approved the Company&amp;#x2019;s request for a waiver of the
 annual cap in order to recover its reconciliation adjustment of
 $0.4&amp;#xA0;million effective November&amp;#xA0;1, 2018 associated with
 its actual 2017 revenue requirement. On October&amp;#xA0;31, 2018, the
 Company filed to increase the annual cap for two years and is
 seeking recovery of a revenue increase of $0.8&amp;#xA0;million,
 subject to the annual cap and reconciliation, for effect
 May&amp;#xA0;1, 2019. This matter remains pending.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Northern
 Utilities &amp;#x2013; Base Rates &amp;#x2013; Maine
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;On February&amp;#xA0;28, 2018, the MPUC
 issued its Final Order (Order) in Northern Utilities&amp;#x2019; most
 recent base rate case. The Order provided for an annual revenue
 increase of $2.1&amp;#xA0;million before a reduction of
 $2.2&amp;#xA0;million to incorporate the effect of the lower federal
 income tax rate under the TCJA. The MPUC Order approved a return on
 equity of 9.5&amp;#xA0;percent and a capital structure reflecting
 50&amp;#xA0;percent equity and 50&amp;#xA0;percent long-term
 debt.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Northern
 Utilities &amp;#x2013; Targeted Infrastructure Replacement Adjustment
 (TIRA) &amp;#x2013; Maine &amp;#x2013;&amp;#xA0;&lt;/b&gt;The settlement
 in Northern Utilities&amp;#x2019; Maine division&amp;#x2019;s 2013 rate case
 allowed the Company to implement a TIRA rate mechanism to adjust
 base distribution rates annually to recover the revenue
 requirements associated with targeted investments in gas
 distribution system infrastructure replacement and upgrade
 projects, including the Company&amp;#x2019;s Cast Iron Replacement
 Program (CIRP). The TIRA had an initial term of four years and
 covered targeted capital expenditures in 2013 through 2016. In its
 Order in the most recent base rate case (see above), the MPUC
 approved an extension of the TIRA mechanism, for an additional
 eight-year period, which will allow for annual rate adjustments
 through the end of the CIRP program. On May&amp;#xA0;7, 2018, the MPUC
 approved the Company&amp;#x2019;s request to increase its annual base
 rates by 2.4%, or $1.1&amp;#xA0;million, to recover the revenue
 requirements for 2017 eligible facilities. On April 17, 2019, the
 MPUC approved the Company&amp;#x2019;s request to increase its annual
 base rates by 2.1%, or $1.0 million, to recover the revenue
 requirements for 2018 eligible facilities.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Northern
 Utilities &amp;#x2013; Base Rates &amp;#x2013; New Hampshire
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;On May&amp;#xA0;2, 2018, the NHPUC
 approved a settlement agreement providing for an annual revenue
 increase of $2.6&amp;#xA0;million, a reduction of annual revenue of
 $1.7&amp;#xA0;million to reflect the effect of the TCJA, and a step
 increase of $2.3&amp;#xA0;million to recover post-test year capital
 investments, all effective May&amp;#xA0;1, 2018 (with the revenue
 increase of $2.6&amp;#xA0;million reconciling to the date of temporary
 rates of August&amp;#xA0;1, 2017 and the revenue decrease for TCJA
 reconciling to January&amp;#xA0;1, 2018), for a net increase of
 approximately $3.2&amp;#xA0;million. Under the terms of the agreement,
 on February&amp;#xA0;27, 2019, the Company filed for a second step
 increase of approximately $1.4&amp;#xA0;million of annual revenue for
 effect May&amp;#xA0;1, 2019 to recover eligible capital investments in
 2018. This matter remains pending. According to the terms of the
 settlement agreement, Northern Utilities&amp;#x2019; next distribution
 base rate case shall be based on an historic test year of no
 earlier than twelve months ending December&amp;#xA0;31,
 2020.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Granite
 State &amp;#x2013; Base Rates &amp;#x2013;&amp;#xA0;&lt;/b&gt;On
 May&amp;#xA0;2, 2018, Granite State filed an uncontested rate
 settlement with FERC which provided for no change in rates, and
 accounted for the effects of a capital step adjustment offset by
 the effect of the TCJA. The settlement was approved by FERC on
 June&amp;#xA0;27, 2018, and complies with the FERC Notice of Proposed
 Rulemaking concerning the justness and reasonableness of rates in
 light of the corporate income tax reductions under the TCJA. The
 settlement also provides that Granite State may not file a general
 (Section 4) rate case prior to April&amp;#xA0;30, 2019.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Other
 Matters&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Fitchburg
 &amp;#x2013; Independent Statewide Examination of the Safety of the
 Commonwealth&amp;#x2019;s Gas Distribution System
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;The MDPU has engaged a third-party
 evaluator to conduct an independent statewide examination of the
 safety of the gas distribution system to complement the
 investigation of the National Transportation Safety Board which
 focuses on the gas incident on September&amp;#xA0;13, 2018 in the
 Merrimack Valley and its potential causes. The evaluator will
 examine the following areas: (1)&amp;#xA0;the physical integrity and
 safety of the gas distribution system; and (2)&amp;#xA0;the operation
 and maintenance policies and practices of the gas companies and
 municipal gas companies, with respect to the Commonwealth&amp;#x2019;s
 gas distribution system, including recommendations for
 improvements. The evaluator will issue a report that will include,
 but not be limited to, potential opportunities for improvement in
 each of these areas. The investigation
 is&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;on-going.&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Reconciliation Filings
 &amp;#x2013;&lt;/b&gt;&amp;#xA0;Fitchburg, Unitil Energy and Northern
 Utilities each have a number of regulatory reconciling accounts
 which require annual or semi-annual filings with the MDPU, NHPUC
 and MPUC, respectively, to reconcile costs and revenues and seek
 approval of any rate changes. These filings include: annual
 electric reconciliation filings by Fitchburg and Unitil Energy for
 a number of items, including default service, stranded cost changes
 and transmission charges; costs associated with energy efficiency
 programs in New Hampshire and Massachusetts, as directed by the
 NHPUC and MDPU; recovery of the ongoing costs of storm repairs
 incurred by Unitil Energy; and the actual wholesale energy costs
 for electric power and natural gas incurred by each of the three
 companies. Fitchburg, Unitil Energy and Northern Utilities have
 been, and remain in full compliance with all directives and orders
 regarding these filings. The Company considers these to be routine
 regulatory proceedings and there are no material issues
 outstanding.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Fitchburg
 &amp;#x2013; Massachusetts RFPs &amp;#x2013;&lt;/b&gt;&amp;#xA0;Pursuant
 to a comprehensive energy law enacted in 2016, &amp;#x201C;An Act to
 Promote Energy Diversity,&amp;#x201D; under Section 83C, the
 Massachusetts electric distribution companies (EDCs), including
 Fitchburg, are required to jointly solicit proposals for long term
 contracts for at least 400 MW&amp;#x2019;s of offshore wind energy
 generation by June 30, 2017, as part of a total of 1,600 MW of
 offshore wind the EDCs are directed to procure by June 30, 2027.
 Under Section 83D of the Act, the EDCs are required to jointly seek
 proposals for cost effective clean energy (hydro, solar and
 land-based wind) long-term contracts via one or more staggered
 solicitations for a total of 9,450,000 megawatt-hours by December
 31, 2022. Unitil&amp;#x2019;s pro rata share of each of these contracts
 is approximately one percent.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;The EDCs
 issued the RFP for Section 83D Long-Term Contracts for Qualified
 Clean Energy Projects in March 2017, and after selection of final
 projects and negotiation, final contracts for 9,554,940 MWh of
 Qualified Clean Energy and associated Environmental Attributes from
 hydroelectric generation were filed in July 2018 for approval by
 the MDPU. The Section 83D matter remains pending with the EDCs
 awaiting an approval.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;The EDCs
 issued the RFP pursuant to Section 83C for Long-Term Contracts for
 Offshore Wind Energy Generation in June 2017. Final selection of
 projects was made in May 2018, contracts were signed in July 2018
 and on July 23, 2018, the EDCs, including Fitchburg, filed two
 long-term contracts, each for 400MW of offshore wind energy
 generation with MDPU for approval. On April 12, 2019, the MDPU
 approved the Offshore Wind Energy Generation power purchase
 agreements, including the EDCs&amp;#x2019; proposal to sell the energy
 procured under the contract into the ISO-NE wholesale market and to
 credit or charge the difference between the contract costs and the
 ISO-NE market costs to customers. The MDPU also determined that the
 EDCs&amp;#x2019; request for remuneration equal to 2.75 percent is
 reasonable and in the public interest. Also, the MDPU approved the
 EDCs&amp;#x2019; proposal to amend their respective tariffs to include
 the recovery of costs associated with the contracts. The Company
 believes that the power purchase obligations under these long-term
 contracts will have a material impact on the contractual
 obligations and regulatory assets of Fitchburg.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Northern
 Utilities Gas Supply Cost Investigation
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;The MPUC has opened an investigation
 into regulatory and rate setting approaches for natural gas supply
 costs. This order is applicable to all LDCs in Maine, and Northern
 Utilities is the first company whose procurement practices are
 being examined. Northern Utilities has been and remains in full
 compliance with all MPUC directives and orders with respect to gas
 procurement.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;FERC
 Transmission Formula Rate Proceedings
 &amp;#x2013;&amp;#xA0;&lt;/b&gt;Pursuant to Section&amp;#xA0;206 of the
 Federal Power Act, there are several pending proceedings before the
 FERC concerning the justness and reasonableness of the Return on
 Equity (ROE) component of the&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;ISO-New&lt;/font&gt;&amp;#xA0;England,
 Inc. Participating Transmission Owners&amp;#x2019; Regional Network
 Service and Local Network Service formula rates. On April&amp;#xA0;14,
 2017, the U.S. Court of Appeals for the D.C. Circuit issued an
 opinion vacating a decision of the FERC with respect to the ROE,
 and remanded it for further proceedings. The FERC had found that
 the Transmission Owners existing ROE was unlawful, and had set a
 new ROE. The Court found that the FERC had failed to articulate a
 satisfactory explanation for its orders. At this time, the ROE set
 in the vacated order will remain in place until further FERC action
 is taken. Separately, on March&amp;#xA0;15, 2018, the Transmission
 Owners filed a petition for review with the Court of certain orders
 of the FERC setting for hearing other complaints challenging the
 allowed return on equity component of the formula rates.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Also pending
 at FERC is a Section&amp;#xA0;206 proceeding concerning the justness
 and reasonableness of&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;ISO-New&lt;/font&gt;&amp;#xA0;England,
 Inc. Participating Transmission Owners&amp;#x2019; Regional Network
 Service and Local Network Service formula rates and to develop
 formula rate protocols for these rates. On August&amp;#xA0;17, 2018 a
 joint settlement agreement among a number of the parties was filed
 with the FERC and remains pending. Fitchburg and Unitil Energy are
 Participating Transmission Owners, although Unitil Energy does not
 own transmission plant. To the extent that these proceedings result
 in any changes to the rates being charged, a retroactive
 reconciliation may be required. The Company does not believe that
 these proceedings will have a material adverse impact on the
 Company&amp;#x2019;s financial condition or results of
 operations.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Legal
 Proceedings&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;The Company
 is involved in legal and administrative proceedings and claims of
 various types, which arise in the ordinary course of business. The
 Company believes, based upon information furnished by counsel and
 others, that the ultimate resolution of these claims will not have
 a material impact on its financial position, operating results or
 cash flows.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:PublicUtilitiesDisclosureTextBlock>
  <us-gaap:ReceivablesPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_27553795-11B0-4BC8-8062-0E9695FE57D6_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Exchange Gas Receivable
 &amp;#x2013;&lt;/b&gt; Northern Utilities and Fitchburg have gas exchange and
 storage agreements whereby natural gas purchases during the months
 of April through October are delivered to a third party. The third
 party delivers natural gas back to the Company during the months of
 November through March. The exchange and storage gas volumes are
 recorded at weighted average cost. The following table shows the
 components of Exchange Gas Receivable as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Exchange Gas
 Receivable ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Northern
 Utilities&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Exchange Gas
 Receivable&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ReceivablesPolicyTextBlock>
  <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_37">3900000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
  <us-gaap:ScheduleOfDebtInstrumentsTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_4187B7CC-91CC-454A-8AC9-2EDCE2C81F06_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Details on long-term debt
 at March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018 and December&amp;#xA0;31,
 2018 are shown below:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="79%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Unitil
 Corporation:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.33% Senior Notes, Due
 May&amp;#xA0;1, 2022&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;20.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.70% Senior Notes, Due
 August&amp;#xA0;1, 2026&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;30.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Unitil Energy First
 Mortgage Bonds:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.24% Senior Secured Notes,
 Due March&amp;#xA0;2, 2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.49% Senior Secured Notes,
 Due October&amp;#xA0;14, 2024&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;6.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.96% Senior Secured Notes,
 Due September&amp;#xA0;1, 2028&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;20.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.00% Senior Secured Notes,
 Due May&amp;#xA0;1, 2031&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.32% Senior Secured Notes,
 Due September&amp;#xA0;15, 2036&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.18% Senior Secured Notes,
 Due November&amp;#xA0;30, 2048&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;30.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Fitchburg:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.75% Senior Notes, Due
 November&amp;#xA0;30, 2023&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.79% Senior Notes, Due
 October&amp;#xA0;15, 2025&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.52% Senior Notes, Due
 November&amp;#xA0;1, 2027&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.37% Senior Notes, Due
 January&amp;#xA0;15, 2029&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;12.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;12.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;12.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.90% Senior Notes, Due
 December&amp;#xA0;15, 2030&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.98% Senior Notes, Due
 June&amp;#xA0;1, 2031&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;14.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.32% Senior Notes, Due
 November&amp;#xA0;1, 2047&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Northern
 Utilities:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.95% Senior Notes, Due
 December&amp;#xA0;3, 2018&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.29% Senior Notes, Due
 March&amp;#xA0;2, 2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;8.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;16.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;16.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.52% Senior Notes, Due
 November&amp;#xA0;1, 2027&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;20.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;20.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.72% Senior Notes, Due
 December&amp;#xA0;3, 2038&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;50.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.42% Senior Notes, Due
 October&amp;#xA0;15, 2044&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;50.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.32% Senior Notes, Due
 November&amp;#xA0;1, 2047&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;30.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;30.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Granite
 State:&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.15% Senior Notes, Due
 December&amp;#xA0;15, 2018&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.72% Senior Notes, Due
 November&amp;#xA0;1, 2027&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Long-Term
 Debt&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;395.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;396.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;409.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Unamortized Debt
 Issuance Costs&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Long-Term Debt, net
 of Unamortized Debt Issuance Costs&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;392.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;392.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;405.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current
 Portion&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;19.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;29.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;18.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Long-term Debt, Less
 Current Portion&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;373.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;363.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;387.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfDebtInstrumentsTextBlock>
  <us-gaap:ScheduleOfUtilityInventoryTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_D4FB03D4-F69F-4A8A-A12C-C6AEC172588B_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table shows
 the components of Gas Inventory as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas
 Inventory ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Natural Gas&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Propane&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Liquefied Natural
 Gas&amp;#xA0;&amp;amp; Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas
 Inventory&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfUtilityInventoryTextBlock>
  <us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_00FF3F42-864B-4840-A29B-43DE51C9BCA4_1_0">&lt;div&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="79%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Estimated Fair Value of
 Long-Term Debt&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;418.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;428.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;422.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock>
  <us-gaap:ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_CDFE7BD2-86AB-4F74-BA85-9D5F3F1F823B_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table sets
 forth a summary of changes in the Company&amp;#x2019;s liability for
 Environmental Obligations for the three months ended March&amp;#xA0;31,
 2019 and 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="76%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Environmental Obligations&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="6"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="6"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="6"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fitchburg&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Northern&lt;br /&gt;
 Utilities&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three months ended
 March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Balance at
 Beginning of Period&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Additions&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Payments /
 Reductions&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Balance at End of
 Period&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current
 Portion&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Noncurrent Balance at
 End of Period&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock>
  <us-gaap:ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_F0C44646-0500-49E4-89DF-301352ED99F1_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The equity portion of
 Restricted Stock Units activity during the three months ended
 March&amp;#xA0;31, 2019 in conjunction with the Stock Plan are
 presented in the following table:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="76%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="81%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="8" nowrap="nowrap" align="center"&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Restricted
 Stock Units (Equity Portion)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Units&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Weighted&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Average&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Stock&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Price&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Restricted Stock Units as
 of December&amp;#xA0;31, 2018&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;61,789&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.25&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Restricted Stock Units
 Granted&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Dividend Equivalents
 Earned&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;417&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.91&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Restricted Stock Units
 Settled&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Restricted Stock Units as
 of March&amp;#xA0;31, 2019&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;62,206&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;38.36&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock>
  <us-gaap:SegmentReportingDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_F5C113B5-6EBE-41A1-BF2C-9D3A3CA09778_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;NOTE 3 &amp;#x2013; SEGMENT
 INFORMATION&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table
 provides significant segment financial data for the three months
 ended March&amp;#xA0;31, 2019 and March&amp;#xA0;31, 2018:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="71%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Non-&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulated&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Other&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1pt"&gt;
 &lt;td height="8"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three Months
 Ended March&amp;#xA0;31, 2019 ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Revenues:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;99.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;62.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;161.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(12.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(10.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Operating Revenue
 &amp;#x2013; &lt;font style="WHITE-SPACE: nowrap"&gt;Non-Regulated&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Operating
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;86.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;64.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;152.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Segment Profit
 (Loss)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;13.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;26.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Identifiable Segment
 Assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;771.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;502.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;16.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,290.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Capital
 Expenditures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;6.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1pt"&gt;
 &lt;td height="8"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three Months
 Ended March&amp;#xA0;31, 2018 ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Revenues:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;91.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;61.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;153.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(8.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Operating Revenue
 &amp;#x2013; &lt;font style="WHITE-SPACE: nowrap"&gt;Non-Regulated&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Operating
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;87.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;57.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;145.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Segment Profit
 (Loss)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;12.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Identifiable Segment
 Assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;712.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;481.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;42.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,244.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Capital
 Expenditures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:SegmentReportingDisclosureTextBlock>
  <us-gaap:UtilitiesOperatingExpense contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_11">123300000</us-gaap:UtilitiesOperatingExpense>
  <us-gaap:SignificantAccountingPoliciesTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_80943ED8-9ADF-4118-92F0-04EB59BED6A8_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;NOTE 1 &amp;#x2013; SUMMARY
 OF SIGNIFICANT ACCOUNTING POLICIES&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Nature of Operations&lt;/b&gt;
 &amp;#x2013; Unitil Corporation (Unitil or the Company) is a public
 utility holding company. Unitil and its subsidiaries are subject to
 regulation as a holding company system by the Federal Energy
 Regulatory Commission (FERC) under the Energy Policy Act of 2005.
 The following companies are wholly-owned subsidiaries of Unitil:
 Unitil Energy Systems, Inc. (Unitil Energy), Fitchburg Gas and
 Electric Light Company (Fitchburg), Northern Utilities, Inc.
 (Northern Utilities), Granite State Gas Transmission, Inc. (Granite
 State), Unitil Power Corp. (Unitil Power), Unitil Realty Corp.
 (Unitil Realty), Unitil Service Corp. (Unitil Service) and its
 &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; business
 unit Unitil Resources, Inc. (Unitil Resources). Usource Inc. and
 Usource L.L.C., which the Company sold in the first quarter of
 2019, were wholly-owned subsidiaries of Unitil
 Resources.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company&amp;#x2019;s
 earnings are seasonal and are typically higher in the first and
 fourth quarters when customers use natural gas for heating
 purposes.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unitil&amp;#x2019;s principal
 business is the local distribution of electricity in the
 southeastern seacoast and state capital regions of New Hampshire
 and the greater Fitchburg area of north central Massachusetts, and
 the local distribution of natural gas in southeastern New
 Hampshire, portions of southern and central Maine and in the
 greater Fitchburg area of north central Massachusetts. Unitil has
 three distribution utility subsidiaries, Unitil Energy, which
 operates in New Hampshire, Fitchburg, which operates in
 Massachusetts and Northern Utilities, which operates in New
 Hampshire and Maine (collectively referred to as the distribution
 utilities).&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Granite State is a natural
 gas transportation pipeline, operating 86 miles of underground gas
 transmission pipeline primarily located in Maine and New Hampshire.
 Granite State provides Northern Utilities with interconnection to
 three major natural gas pipelines and access to domestic natural
 gas supplies in the south and Canadian natural gas supplies in the
 north. Granite State derives its revenues principally from the
 transportation services provided to Northern Utilities and, to a
 lesser extent, third-party marketers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;A fifth utility subsidiary,
 Unitil Power, formerly functioned as the full requirements
 wholesale power supply provider for Unitil Energy. In connection
 with the implementation of electric industry restructuring in New
 Hampshire, Unitil Power ceased being the wholesale supplier of
 Unitil Energy on May&amp;#xA0;1, 2003 and divested of its long-term
 power supply contracts through the sale of the entitlements to the
 electricity associated with various electric power supply contracts
 it had acquired to serve Unitil Energy&amp;#x2019;s
 customers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unitil also has three other
 wholly-owned subsidiaries: Unitil Service; Unitil Realty; and
 Unitil Resources. Unitil Service provides, at cost, a variety of
 administrative and professional services, including regulatory,
 financial, accounting, human resources, engineering, operations,
 technology, energy management and management services on a
 centralized basis to its affiliated Unitil companies. Unitil Realty
 owns and manages the Company&amp;#x2019;s corporate office in Hampton,
 New Hampshire and leases this facility to Unitil Service under a
 long-term lease arrangement. Unitil Resources is the
 Company&amp;#x2019;s wholly-owned &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; subsidiary. Usource,
 Inc. and Usource L.L.C. (collectively, Usource), which the Company
 divested of in the first quarter of 2019, were wholly-owned
 subsidiaries of Unitil Resources. Usource provided brokering and
 advisory services to large commercial and industrial customers in
 the northeastern United States. See additional discussion of the
 divestiture of Usource below.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Basis of Presentation
 &amp;#x2013;&lt;/b&gt; The accompanying unaudited consolidated financial
 statements of Unitil have been prepared in accordance with the
 instructions to Form &lt;font style="WHITE-SPACE: nowrap"&gt;10-Q&lt;/font&gt;
 and include all of the information and footnotes required by
 generally accepted accounting principles. In the opinion of
 management, all adjustments considered necessary for a fair
 presentation have been included. The results of operations for the
 three months ended March&amp;#xA0;31, 2019 are not necessarily
 indicative of results to be expected for the year ending
 December&amp;#xA0;31, 2019. For further information, please refer to
 Note 1 of Part II to the Consolidated Financial Statements &amp;#x2013;
 &amp;#x201C;Summary of Significant Accounting Policies&amp;#x201D; of the
 Company&amp;#x2019;s Form &lt;font style="WHITE-SPACE: nowrap"&gt;10-K&lt;/font&gt;
 for the year ended December&amp;#xA0;31, 2018, as filed with the
 Securities and Exchange Commission (SEC) on January&amp;#xA0;31, 2019,
 for a description of the Company&amp;#x2019;s Basis of
 Presentation.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Divestiture of
 &lt;font style="WHITE-SPACE: nowrap"&gt;Non-Regulated&lt;/font&gt; Business
 Subsidiary &amp;#x2013;&lt;/b&gt; On March&amp;#xA0;1, 2019, the Company divested
 of its &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt;
 energy brokering and advisory business subsidiary, Usource. The
 Company recognized an &lt;font style="WHITE-SPACE: nowrap"&gt;after-tax&lt;/font&gt; net gain of approximately
 $9.8&amp;#xA0;million on this divestiture in the first quarter of 2019.
 The &lt;font style="WHITE-SPACE: nowrap"&gt;pre-tax&lt;/font&gt; net gain of
 approximately $13.4&amp;#xA0;million on this divestiture is included in
 Other Income (Expense), Net on the Consolidated Statements of
 Earnings for the three months ended March&amp;#xA0;31, 2019, while the
 income taxes associated with this transaction of $3.6&amp;#xA0;million
 are included in the Provision For Income Taxes.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Utility Revenue
 Recognition &amp;#x2013;&lt;/b&gt; Gas Operating Revenues and Electric
 Operating Revenues consist of billed and unbilled revenue and
 revenue from rate adjustment mechanisms. Billed and unbilled
 revenue includes delivery revenue and pass-through revenue,
 recognized according to tariffs approved by federal and state
 regulatory commissions which determine the amount of revenue the
 Company will record for these items. Revenue from rate adjustment
 mechanisms is accrued revenue, recognized in connection with rate
 adjustment mechanisms, and authorized by regulators for recognition
 in the current period for future cash recoveries from, or credits
 to, customers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and unbilled revenue
 is recorded when service is rendered or energy is delivered to
 customers. However, the determination of energy sales to individual
 customers is based on the reading of their meters, which occurs on
 a systematic basis throughout the month. At the end of each
 calendar month, amounts of energy delivered to customers since the
 date of the last meter reading are estimated and the corresponding
 unbilled revenues are calculated. These unbilled revenues are
 calculated each month based on estimated customer usage by class
 and applicable customer rates and are then reversed in the
 following month when billed to customers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;A majority of the
 Company&amp;#x2019;s revenue from contracts with customers continues to
 be recognized on a monthly basis based on applicable tariffs and
 customer monthly consumption. Such revenue is recognized using the
 invoice practical expedient which allows an entity to recognize
 revenue in the amount that directly corresponds to the value
 transferred to the customer.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company&amp;#x2019;s billed
 and unbilled revenue meets the definition of &amp;#x201C;revenues from
 contracts with customers&amp;#x201D; as defined in ASU &lt;font style="WHITE-SPACE: nowrap"&gt;2014-09.&lt;/font&gt; Revenue recognized in
 connection with rate adjustment mechanisms is consistent with the
 definition of alternative revenue programs in Accounting Standards
 Codification (ASC) &lt;font style="WHITE-SPACE: nowrap"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;980-605-25-3,&lt;/font&gt;&lt;/font&gt;&lt;/font&gt; as the
 Company has the ability to adjust rates in the future as a result
 of past activities or completed events. ASU &lt;font style="WHITE-SPACE: nowrap"&gt;2014-09&lt;/font&gt; requires the Company to
 disclose separately the amount of revenues from contracts with
 customers and alternative revenue program revenues.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;In the following tables,
 revenue is classified by the types of goods/services rendered and
 market/customer type.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="80%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Three&amp;#xA0;Months&amp;#xA0;Ended&amp;#xA0;March&amp;#xA0;31,&amp;#xA0;2019&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;
 &amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas and
 Electric Operating Revenues ($ millions):&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Residential&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;35.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;C&amp;amp;I&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;24.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;78.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;99.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;62.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;161.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(12.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(10.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas and Electric
 Operating Revenues&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;86.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;64.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;151.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="78%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Three&amp;#xA0;Months&amp;#xA0;Ended&amp;#xA0;March&amp;#xA0;31,&amp;#xA0;2018&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;
 &amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas and
 Electric Operating Revenues ($ millions):&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Residential&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;35.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;70.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;C&amp;amp;I&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;24.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;91.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;61.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;153.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(8.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas and Electric
 Operating Revenues&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;87.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;57.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;144.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg is subject to
 revenue decoupling. Revenue decoupling is the term given to the
 elimination of the dependency of a utility&amp;#x2019;s distribution
 revenue on the volume of electricity or natural gas sales. The
 difference between distribution revenue amounts billed to customers
 and the targeted revenue decoupling amounts is recorded as an
 increase or a decrease in Accrued Revenue, which forms the basis
 for resetting rates for future cash recoveries from, or credits to,
 customers. These revenue decoupling targets may be adjusted as a
 result of rate cases that the Company files with the
 MDPU.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Other Operating Revenue
 &amp;#x2013; &lt;font style="WHITE-SPACE: nowrap"&gt;Non-regulated&lt;/font&gt;
 &amp;#x2013;&lt;/b&gt; Other Operating Revenue consists solely ofrevenue from
 Usource, Unitil&amp;#x2019;s &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; subsidiary, which, as
 discussed previously, the Company divested of on March&amp;#xA0;1,
 2019. Usource conducted its business activities as a broker of
 competitive energy services. Usource did not take title to the
 electric and gas commodities which were the subject of the
 brokerage contracts. The Company recorded energy brokering revenues
 based upon the amount of electricity and gas delivered to customers
 through the end of the accounting period. Usource partnered with
 certain entities to facilitate these brokerage services and paid
 these entities a fee under revenue sharing agreements.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Income Taxes &amp;#x2013;&lt;/b&gt;
 The Company is subject to Federal and State income taxes as well as
 various other business taxes. This process involves estimating the
 Company&amp;#x2019;s current tax liabilities as well as assessing
 temporary and permanent differences resulting from the timing of
 the deductions of expenses and recognition of taxable income for
 tax and book accounting purposes. These temporary differences
 result in deferred tax assets and liabilities, which are included
 in the Company&amp;#x2019;s Consolidated Balance Sheets. The Company
 accounts for income tax assets, liabilities and expenses in
 accordance with the FASB Codification guidance on Income
 Taxes.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company classifies
 penalty and interest expense related to income tax liabilities as
 income tax expense and interest expense, respectively, in the
 Consolidated Statements of Earnings.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Provisions for income taxes
 are calculated in each of the jurisdictions in which the Company
 operates for each period for which a statement of earnings is
 presented. The Company accounts for income taxes in accordance with
 the FASB Codification guidance on Income Taxes, which requires an
 asset and liability approach for the financial accounting and
 reporting of income taxes. Significant judgments and estimates are
 required in determining the current and deferred tax assets and
 liabilities. The Company&amp;#x2019;s current and deferred tax assets
 and liabilities reflect its best assessment of estimated future
 taxes to be paid. In accordance with the FASB Codification, the
 Company periodically assesses the realization of its deferred tax
 assets and liabilities and adjusts the income tax provision, the
 current tax liability and deferred taxes in the period in which the
 facts and circumstances which gave rise to the revision become
 known.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Cash and Cash
 Equivalents &amp;#x2013;&lt;/b&gt; Cash and Cash Equivalents includes all cash
 and cash equivalents to which the Company has legal title. Cash
 equivalents include short-term investments with original maturities
 of three months or less and interest bearing deposits. The
 Company&amp;#x2019;s cash and cash equivalents are held at financial
 institutions and at times may exceed federally insured limits. The
 Company has not experienced any losses in such accounts. Under the
 Independent System Operator &amp;#x2013; New England &lt;font style="WHITE-SPACE: nowrap"&gt;(ISO-NE)&lt;/font&gt; Financial Assurance Policy
 (Policy), Unitil&amp;#x2019;s subsidiaries Unitil Energy, Fitchburg and
 Unitil Power are required to provide assurance of their ability to
 satisfy their obligations to &lt;font style="WHITE-SPACE: nowrap"&gt;ISO-NE.&lt;/font&gt; Under this Policy,
 Unitil&amp;#x2019;s subsidiaries provide cash deposits covering
 approximately &lt;font style="WHITE-SPACE: nowrap"&gt;2-1/2&lt;/font&gt; months
 of outstanding obligations, less credit amounts that are based on
 the Company&amp;#x2019;s credit rating. As of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the Unitil
 subsidiaries had deposited $3.0&amp;#xA0;million, $3.3&amp;#xA0;million and
 $3.5&amp;#xA0;million, respectively to satisfy their &lt;font style="WHITE-SPACE: nowrap"&gt;ISO-NE&lt;/font&gt; obligations.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Allowance for Doubtful
 Accounts &amp;#x2013;&lt;/b&gt; The Company recognizes a provision for
 doubtful accounts each month based upon the Company&amp;#x2019;s
 experience in collecting electric and gas utility service accounts
 receivable in prior years. At the end of each month, an analysis of
 the delinquent receivables is performed which takes into account an
 assumption about the cash recovery of delinquent receivables. The
 analysis also calculates the amount of &lt;font style="WHITE-SPACE: nowrap"&gt;written-off&lt;/font&gt; receivables that are
 recoverable through regulatory rate reconciling mechanisms. The
 Company&amp;#x2019;s distribution utilities are authorized by regulators
 to recover the costs of their energy commodity portion of bad debts
 through rate mechanisms. Also, the electric and gas divisions of
 Fitchburg are authorized to recover through rates past due amounts
 associated with hardship accounts that are protected from
 &lt;font style="WHITE-SPACE: nowrap"&gt;shut-off.&lt;/font&gt; Evaluating the
 adequacy of the Allowance for Doubtful Accounts requires judgment
 about the assumptions used in the analysis. It has been the
 Company&amp;#x2019;s experience that the assumptions it has used in
 evaluating the adequacy of the Allowance for Doubtful Accounts have
 proven to be reasonably accurate.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Allowance for Doubtful
 Accounts as of March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018 and
 December&amp;#xA0;31, 2018, which are included in Accounts Receivable,
 Net on the accompanying unaudited consolidated balance sheets, was
 as follows:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="10"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Allowance for Doubtful
 Accounts&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Accrued Revenue
 &amp;#x2013;&lt;/b&gt; Accrued Revenue includes the current portion of
 Regulatory Assets and unbilled revenues. The following table shows
 the components of Accrued Revenue as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Accrued
 Revenue ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Regulatory Assets &amp;#x2013;
 Current&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;29.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;41.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unbilled
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;13.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Accrued
 Revenue&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;40.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;45.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Exchange Gas Receivable
 &amp;#x2013;&lt;/b&gt; Northern Utilities and Fitchburg have gas exchange and
 storage agreements whereby natural gas purchases during the months
 of April through October are delivered to a third party. The third
 party delivers natural gas back to the Company during the months of
 November through March. The exchange and storage gas volumes are
 recorded at weighted average cost. The following table shows the
 components of Exchange Gas Receivable as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Exchange Gas
 Receivable ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Northern
 Utilities&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Exchange Gas
 Receivable&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Gas Inventory&lt;/b&gt;
 &amp;#x2013; The Company uses the weighted average cost methodology to
 value natural gas inventory. The following table shows the
 components of Gas Inventory as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas
 Inventory ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Natural Gas&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Propane&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Liquefied Natural
 Gas&amp;#xA0;&amp;amp; Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas
 Inventory&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Utility Plant
 &amp;#x2013;&lt;/b&gt; The cost of additions to Utility Plant and the cost of
 renewals and betterments are capitalized. Cost consists of labor,
 materials, services and certain indirect construction costs,
 including an allowance for funds used during construction (AFUDC).
 The costs of current repairs and minor replacements are charged to
 appropriate operating expense accounts. The original cost of
 utility plant retired or otherwise disposed of is charged to the
 accumulated provision for depreciation. The Company includes in its
 mass asset depreciation rates, which are periodically reviewed as
 part of its ratemaking proceedings, cost of removal amounts to
 provide for future negative salvage value. At March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the Company
 estimates that the cost of removal amounts, which are recorded on
 the Consolidated Balance Sheets in Cost of Removal Obligations are
 $93.7&amp;#xA0;million, $86.6&amp;#xA0;million, and $90.7&amp;#xA0;million,
 respectively.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Leases &amp;#x2013;&lt;/b&gt; On
 January&amp;#xA0;1, 2019, the Company adopted ASU &lt;font style="WHITE-SPACE: nowrap"&gt;No.&amp;#xA0;2016-02,&lt;/font&gt; &amp;#x201C;Leases (Topic
 842)&amp;#x201D;&lt;i&gt;.&lt;/i&gt; The new standard requires lessees to record
 assets and liabilities on the balance sheet for all leases with
 terms longer than 12 months. Leases will be classified as either
 finance or operating, with classification affecting the pattern of
 expense recognition in the income statement. The Company elected
 the package of practical expedients permitted under the transition
 guidance within the new standard, which among other things, allows
 the Company to carryforward the historical lease classification.
 The Company also elected the practical expedient related to land
 easements, allowing the Company to carry forward its current
 accounting treatment for land easements on existing agreements. The
 Company made an accounting policy election to keep leases with an
 initial term of 12 months or less off of the balance sheet. The
 Company recognizes those lease payments in the Consolidated
 Statements of Earnings on a straight-line basis over the lease
 term.&amp;#xA0;The adoption of the standard resulted in recognition of
 approximately $4.2&amp;#xA0;million of lease assets and lease
 liabilities as of January&amp;#xA0;1, 2019 on the Company&amp;#x2019;s
 Consolidated Balance Sheets. The Company&amp;#x2019;s adoption of the
 standard did not have a material effect on its Consolidated
 Statements of Earnings and Consolidated Statements of Cash
 Flows.&amp;#xA0;See additional discussion below in the
 &amp;#x201C;Leases&amp;#x201D; section of Note 4 to the Consolidated
 Financial Statements.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Accounting
 &amp;#x2013;&lt;/b&gt; The Company&amp;#x2019;s principal business is the
 distribution of electricity and natural gas by the three
 distribution utilities: Unitil Energy, Fitchburg and Northern
 Utilities. Unitil Energy and Fitchburg are subject to regulation by
 the FERC. Fitchburg is also regulated by the Massachusetts
 Department of Public Utilities (MDPU), Unitil Energy is regulated
 by the New Hampshire Public Utilities Commission (NHPUC) and
 Northern Utilities is regulated by the Maine Public Utilities
 Commission (MPUC) and NHPUC. Granite State, the Company&amp;#x2019;s
 natural gas transmission pipeline, is regulated by the FERC.
 Accordingly, the Company uses the Regulated Operations guidance as
 set forth in the FASB Codification. The Company has recorded
 Regulatory Assets and Regulatory Liabilities which will be
 recovered from customers, or applied for customer benefit, in
 accordance with rate provisions approved by the applicable public
 utility regulatory commission.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="78%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulatory
 Assets consist of the following ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Retirement
 Benefits&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;72.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;85.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;72.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Energy Supply&amp;#xA0;&amp;amp;
 Other Rate Adjustment Mechanisms&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;25.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;31.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Deferred Storm
 Charges&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Environmental&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;7.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;9.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Income Taxes&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Deferred
 Charges&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;11.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Regulatory
 Assets&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;127.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;145.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;140.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current Portion of
 Regulatory Assets&lt;/font&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;sup style="VERTICAL-ALIGN: baseline; POSITION: relative; BOTTOM: 0.8ex"&gt;(1)&lt;/sup&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;29.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;41.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Assets
 &amp;#x2013; noncurrent&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;97.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;111.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;99.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Reflects amounts included
 in Accrued Revenue, discussed above, on the Company&amp;#x2019;s
 Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulatory
 Liabilities consist of the following ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Income Taxes (Note
 8)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;48.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;49.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Energy Supply&amp;#xA0;&amp;amp;
 Other Rate Adjustment Mechanisms&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;13.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Gas Pipeline Refund (Note
 6)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Regulatory
 Liabilities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;62.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;60.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;58.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current Portion of
 Regulatory Liabilities&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Liabilities
 &amp;#x2013; noncurrent&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;47.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;49.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Generally, the Company
 receives a return on investment on its regulated assets for which a
 cash outflow has been made. Included in Regulatory Assets as of
 March&amp;#xA0;31, 2019 are $5.9&amp;#xA0;million of environmental costs,
 rate case costs and other expenditures to be recovered over varying
 periods in the next seven years. Regulators have authorized
 recovery of these expenditures, but without a return. Regulatory
 commissions can reach different conclusions about the recovery of
 costs, which can have a material impact on the Company&amp;#x2019;s
 Consolidated Financial Statements. The Company believes it is
 probable that its regulated distribution and transmission utilities
 will recover their investments in long-lived assets, including
 regulatory assets. If the Company, or a portion of its assets or
 operations, were to cease meeting the criteria for application of
 these accounting rules, accounting standards for businesses in
 general would become applicable and immediate recognition of any
 previously deferred costs, or a portion of deferred costs, would be
 required in the year in which the criteria are no longer met, if
 such deferred costs were not recoverable in the portion of the
 business that continues to meet the criteria for application of the
 FASB Codification topic on Regulated Operations. If unable to
 continue to apply the FASB Codification provisions for Regulated
 Operations, the Company would be required to apply the provisions
 for the Discontinuation of Rate-Regulated Accounting included in
 the FASB Codification. In the Company&amp;#x2019;s opinion, its
 regulated operations will be subject to the FASB Codification
 provisions for Regulated Operations for the foreseeable
 future.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Derivatives &amp;#x2013;&lt;/b&gt;
 The Company&amp;#x2019;s regulated energy subsidiaries enter into energy
 supply contracts to serve their electric and gas customers. The
 Company follows a procedure for determining whether each contract
 qualifies as a derivative instrument under the guidance provided by
 the FASB Codification on Derivatives and Hedging. For each
 contract, the Company reviews and documents the key terms of the
 contract. Based on those terms and any additional relevant
 components of the contract, the Company determines and documents
 whether the contract qualifies as a derivative instrument as
 defined in the FASB Codification. The Company has determined that
 none of its energy supply contracts qualify as a derivative
 instrument under the guidance set forth in the FASB
 Codification.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Investments in
 Marketable Securities&lt;/b&gt; &amp;#x2013; The Company has a trust through
 which it invests in a variety of equity and fixed income mutual
 funds. These funds are intended to satisfy obligations under the
 Company&amp;#x2019;s Supplemental Executive Retirement Plan (SERP) (See
 further discussion of the SERP in Note 9.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;At March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the fair value of
 the Company&amp;#x2019;s investments in these trading securities, which
 are recorded on the Consolidated Balance Sheets in Other Assets,
 were $5.1&amp;#xA0;million, $5.1 and $4.8&amp;#xA0;million, respectively,
 as shown in the table below. These investments are valued based on
 quoted prices from active markets and are categorized in
 Level&amp;#xA0;1 as they are actively traded and no valuation
 adjustments have been applied. Changes in the fair value of these
 investments are recorded in Other Expense, Net.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fair Value
 of Marketable Securities ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Equity Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fixed Income
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Money Market
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Marketable
 Securities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company also sponsors
 the Unitil Corporation Deferred Compensation Plan (the &amp;#x201C;DC
 Plan&amp;#x201D;). The DC Plan is a &lt;font style="WHITE-SPACE: nowrap"&gt;non-qualified&lt;/font&gt; deferred compensation
 plan that provides a vehicle for participants to accumulate
 &lt;font style="WHITE-SPACE: nowrap"&gt;tax-deferred&lt;/font&gt; savings to
 supplement retirement income. The DC Plan, which was effective
 January&amp;#xA0;1, 2019, is open to senior management or other highly
 compensated employees as determined by the Company&amp;#x2019;s Board of
 Directors, and may also be used for recruitment and retention
 purposes for newly hired senior executives. The DC Plan design
 mirrors the Company&amp;#x2019;s Tax Deferred Savings and Investment
 Plan formula, but provides for contributions on compensation above
 the IRS limit, which will allow participants to defer up to 85% of
 base salary, and up to 85% of any cash incentive for retirement.
 The Company may also elect to make discretionary contributions on
 behalf of any participant in an amount determined by the
 Company&amp;#x2019;s Board of Directors. A trust has been established to
 invest the funds associated with the DC Plan.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;At March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018, the fair value of
 the Company&amp;#x2019;s investments in these trading securities related
 to the DC Plan, which are recorded on the Consolidated Balance
 Sheets in Other Assets, were $0.1&amp;#xA0;million, $0 and $0,
 respectively, as shown in the table below. These investments are
 valued based on quoted prices from active markets and are
 categorized in Level&amp;#xA0;1 as they are actively traded and no
 valuation adjustments have been applied. Changes in the fair value
 of these investments are recorded in Other Expense, Net.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fair Value
 of Marketable Securities ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Equity Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Money Market
 Funds&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Marketable
 Securities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Energy Supply
 Obligations &amp;#x2013;&lt;/b&gt; The following discussion and table
 summarize the nature and amounts of the items recorded as Energy
 Supply Obligations (current portion) and Other Noncurrent
 Liabilities (noncurrent portion) on the Company&amp;#x2019;s
 Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="81%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Energy
 Supply Obligations ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Current:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Exchange Gas
 Obligation&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Renewable Energy Portfolio
 Standards&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Power Supply Contract
 Divestitures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Energy Supply
 Obligations &amp;#x2013; Current&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;13.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Long-Term:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Power Supply Contract
 Divestitures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Energy Supply
 Obligations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Exchange Gas
 Obligation&lt;/b&gt; &amp;#x2013; As discussed above, Northern Utilities
 enters into gas exchange agreements under which Northern Utilities
 releases certain natural gas pipeline and storage assets, resells
 the natural gas storage inventory to an asset manager and
 subsequently repurchases the inventory over the course of the
 natural gas heating season at the same price at which it sold the
 natural gas inventory to the asset manager. The gas inventory
 related to these agreements is recorded in Exchange Gas Receivable
 on the Company&amp;#x2019;s Consolidated Balance Sheets while the
 corresponding obligations are recorded in Energy Supply
 Obligations.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Renewable Energy
 Portfolio Standards&lt;/b&gt; &amp;#x2013; Renewable Energy Portfolio
 Standards (RPS) require retail electricity suppliers, including
 public utilities, to demonstrate that required percentages of their
 sales are met with power generated from certain types of resources
 or technologies. Compliance is demonstrated by purchasing and
 retiring Renewable Energy Certificates (REC) generated by
 facilities approved by the state as qualifying for REC treatment.
 Unitil Energy and Fitchburg purchase RECs in compliance with RPS
 legislation in New Hampshire and Massachusetts for supply provided
 to default service customers. RPS compliance costs are a supply
 cost that is recovered in customer default service rates. Unitil
 Energy and Fitchburg collect RPS compliance costs from customers
 throughout the year and demonstrate compliance for each calendar
 year on the following July 1. Due to timing differences between
 collection of revenue from customers and payment of REC costs to
 suppliers, Unitil Energy and Fitchburg typically maintain accrued
 revenue for RPS compliance which is recorded in Accrued Revenue
 with a corresponding liability in Energy Supply Obligations on the
 Company&amp;#x2019;s Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg has entered into
 long-term renewable contracts for the purchase of clean energy
 and/or renewable energy certificates (RECs) pursuant to
 Massachusetts legislation, specifically, An Act Relative to Green
 Communities (&amp;#x201C;Green Communities Act&amp;#x201D;, 2008), An Act
 Relative to Competitively Priced Electricity in the Commonwealth
 (2012)&amp;#xA0;and An Act to Promote Energy Diversity (&amp;#x201C;Energy
 Diversity Act&amp;#x201D;, 2016). The generating facilities associated
 with four of these contracts have been constructed and are now
 operating. Since 2017, the Company has participated in two major
 statewide procurements which resulted in contracts for imported
 hydroelectric power and associated transmission and for offshore
 wind generation. The contracts were filed with MDPU in 2018 and
 approvals remain pending.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Additional long-term clean
 energy contracts are expected in compliance with the Energy
 Diversity Act and An Act to Promote a Clean Energy Future (2018).
 Fitchburg recovers the costs associated with long-term renewable
 contracts on a fully reconciling basis through a MDPU-approved cost
 recovery mechanism.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Power Supply Contract
 Divestitures &amp;#x2013;&lt;/b&gt; Unitil Energy&amp;#x2019;s and
 Fitchburg&amp;#x2019;s customers are entitled to purchase their electric
 or natural gas supplies from third-party suppliers. In connection
 with the implementation of retail choice, Unitil Power, which
 formerly functioned as the wholesale power supply provider for
 Unitil Energy, and Fitchburg divested their long-term power supply
 contracts through the sale of the entitlements to the electricity
 sold under those contracts. Unitil Energy and Fitchburg recover in
 their rates all the costs associated with the divestiture of their
 power supply portfolios and have secured regulatory approval from
 the NHPUC and MDPU, respectively, for the recovery of power
 supply-related stranded costs. The obligations related to these
 divestitures are recorded in Energy Supply Obligations (current
 portion) and Other Noncurrent Liabilities (noncurrent portion) on
 the Company&amp;#x2019;s Consolidated Balance Sheets with corresponding
 regulatory assets recorded in Accrued Revenue (current portion) and
 Regulatory Assets (noncurrent portion).&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Recently Issued
 Pronouncements &amp;#x2013;&lt;/b&gt; In February 2016, the FASB issued ASU
 &lt;font style="WHITE-SPACE: nowrap"&gt;No.&amp;#xA0;2016-02,&lt;/font&gt;
 &amp;#x201C;Leases (Topic 842)&amp;#x201D;. The new standard requires lessees
 to record assets and liabilities on the balance sheet for all
 leases with terms longer than 12 months. The Company adopted the
 standard as of January&amp;#xA0;1, 2019. See &amp;#x201C;Leases&amp;#x201D; above
 in Note 1.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other than the
 pronouncement discussed above, there are no recently issued
 pronouncements that the Company has not already adopted or that
 have a material impact on the Company.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Subsequent Events
 &amp;#x2013;&lt;/b&gt; The Company evaluates all events or transactions
 through the date of the related filing. During the period through
 the date of this filing, the Company did not have any material
 subsequent events that would result in adjustment to or disclosure
 in its Consolidated Financial Statements.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>
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 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Subsequent Events
 &amp;#x2013;&lt;/b&gt; The Company evaluates all events or transactions
 through the date of the related filing. During the period through
 the date of this filing, the Company did not have any material
 subsequent events that would result in adjustment to or disclosure
 in its Consolidated Financial Statements.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:SubsequentEventsPolicyPolicyTextBlock>
  <us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_04BA874E-DB44-49BC-93DE-C930141F6C78_1_0">&lt;div&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulatory
 Liabilities consist of the following ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Income Taxes (Note
 8)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;48.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;49.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Energy Supply&amp;#xA0;&amp;amp;
 Other Rate Adjustment Mechanisms&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;13.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Gas Pipeline Refund (Note
 6)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Regulatory
 Liabilities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;62.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;60.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;58.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Current Portion of
 Regulatory Liabilities&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;15.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Regulatory Liabilities
 &amp;#x2013; noncurrent&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;47.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;49.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;47.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock>
  <us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_DD4D858E-C7CD-4B22-A186-5204C6AC58F2_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table
 provides significant segment financial data for the three months
 ended March&amp;#xA0;31, 2019 and March&amp;#xA0;31, 2018:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="71%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="2%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Non-&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Regulated&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Other&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1pt"&gt;
 &lt;td height="8"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three Months
 Ended March&amp;#xA0;31, 2019 ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Revenues:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;99.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;62.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;161.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(12.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;(10.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;)&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Operating Revenue
 &amp;#x2013; &lt;font style="WHITE-SPACE: nowrap"&gt;Non-Regulated&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Operating
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;86.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;64.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;152.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Segment Profit
 (Loss)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;13.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;26.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Identifiable Segment
 Assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;771.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;502.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;16.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1,290.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Capital
 Expenditures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;6.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1pt"&gt;
 &lt;td height="8"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="4"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Three Months
 Ended March&amp;#xA0;31, 2018 ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Revenues:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;91.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;61.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;153.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(8.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Operating Revenue
 &amp;#x2013; &lt;font style="WHITE-SPACE: nowrap"&gt;Non-Regulated&lt;/font&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Operating
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;87.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;57.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;145.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Segment Profit
 (Loss)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;12.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(0.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Identifiable Segment
 Assets&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;712.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;481.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;42.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,244.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Capital
 Expenditures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock>
  <us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="shares" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_1_19">14900000</us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted>
  <us-gaap:SupplyCommitmentTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_E1BA3123-C221-4638-91BC-E7304D2AECFA_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following discussion
 and table summarize the nature and amounts of the items recorded as
 Energy Supply Obligations (current portion) and Other Noncurrent
 Liabilities (noncurrent portion) on the Company&amp;#x2019;s
 Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="81%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Energy
 Supply Obligations ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Current:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Exchange Gas
 Obligation&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Renewable Energy Portfolio
 Standards&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Power Supply Contract
 Divestitures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Energy Supply
 Obligations &amp;#x2013; Current&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;13.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Long-Term:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Power Supply Contract
 Divestitures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Energy Supply
 Obligations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:SupplyCommitmentTableTextBlock>
  <dei:TradingSymbol contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_6738348D-D397-4E52-8F68-316C35A984DF_1_0">UTL</dei:TradingSymbol>
  <us-gaap:TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_94814233-9AFA-4873-9DB5-4F64E5F94685_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Accrued Revenue
 &amp;#x2013;&lt;/b&gt; Accrued Revenue includes the current portion of
 Regulatory Assets and unbilled revenues. The following table shows
 the components of Accrued Revenue as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Accrued
 Revenue ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Regulatory Assets &amp;#x2013;
 Current&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;29.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;41.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unbilled
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;13.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Accrued
 Revenue&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;40.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;45.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</us-gaap:TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy>
  <us-gaap:UtilityRevenueAndExpenseRecognitionPolicy contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_17AECF23-F95D-46B2-8324-757392015E22_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Utility Revenue
 Recognition &amp;#x2013;&lt;/b&gt; Gas Operating Revenues and Electric
 Operating Revenues consist of billed and unbilled revenue and
 revenue from rate adjustment mechanisms. Billed and unbilled
 revenue includes delivery revenue and pass-through revenue,
 recognized according to tariffs approved by federal and state
 regulatory commissions which determine the amount of revenue the
 Company will record for these items. Revenue from rate adjustment
 mechanisms is accrued revenue, recognized in connection with rate
 adjustment mechanisms, and authorized by regulators for recognition
 in the current period for future cash recoveries from, or credits
 to, customers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and unbilled revenue
 is recorded when service is rendered or energy is delivered to
 customers. However, the determination of energy sales to individual
 customers is based on the reading of their meters, which occurs on
 a systematic basis throughout the month. At the end of each
 calendar month, amounts of energy delivered to customers since the
 date of the last meter reading are estimated and the corresponding
 unbilled revenues are calculated. These unbilled revenues are
 calculated each month based on estimated customer usage by class
 and applicable customer rates and are then reversed in the
 following month when billed to customers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;A majority of the
 Company&amp;#x2019;s revenue from contracts with customers continues to
 be recognized on a monthly basis based on applicable tariffs and
 customer monthly consumption. Such revenue is recognized using the
 invoice practical expedient which allows an entity to recognize
 revenue in the amount that directly corresponds to the value
 transferred to the customer.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company&amp;#x2019;s billed
 and unbilled revenue meets the definition of &amp;#x201C;revenues from
 contracts with customers&amp;#x201D; as defined in ASU &lt;font style="WHITE-SPACE: nowrap"&gt;2014-09.&lt;/font&gt; Revenue recognized in
 connection with rate adjustment mechanisms is consistent with the
 definition of alternative revenue programs in Accounting Standards
 Codification (ASC) &lt;font style="WHITE-SPACE: nowrap"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;&lt;font style="WHITE-SPACE: nowrap"&gt;980-605-25-3,&lt;/font&gt;&lt;/font&gt;&lt;/font&gt; as the
 Company has the ability to adjust rates in the future as a result
 of past activities or completed events. ASU &lt;font style="WHITE-SPACE: nowrap"&gt;2014-09&lt;/font&gt; requires the Company to
 disclose separately the amount of revenues from contracts with
 customers and alternative revenue program revenues.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;In the following tables,
 revenue is classified by the types of goods/services rendered and
 market/customer type.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="80%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Three&amp;#xA0;Months&amp;#xA0;Ended&amp;#xA0;March&amp;#xA0;31,&amp;#xA0;2019&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;
 &amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas and
 Electric Operating Revenues ($ millions):&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Residential&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;35.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;C&amp;amp;I&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;24.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;78.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;99.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;62.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;161.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(12.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(10.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas and Electric
 Operating Revenues&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;86.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;64.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;151.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="78%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Three&amp;#xA0;Months&amp;#xA0;Ended&amp;#xA0;March&amp;#xA0;31,&amp;#xA0;2018&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;
 &amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas and
 Electric Operating Revenues ($ millions):&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Residential&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;35.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;70.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;C&amp;amp;I&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;24.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;91.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;61.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;153.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(8.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas and Electric
 Operating Revenues&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;87.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;57.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;144.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg is subject to
 revenue decoupling. Revenue decoupling is the term given to the
 elimination of the dependency of a utility&amp;#x2019;s distribution
 revenue on the volume of electricity or natural gas sales. The
 difference between distribution revenue amounts billed to customers
 and the targeted revenue decoupling amounts is recorded as an
 increase or a decrease in Accrued Revenue, which forms the basis
 for resetting rates for future cash recoveries from, or credits to,
 customers. These revenue decoupling targets may be adjusted as a
 result of rate cases that the Company files with the
 MDPU.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:UtilityRevenueAndExpenseRecognitionPolicy>
  <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_0FDAF3CC-EF03-49A3-A41B-63467AECD8BF_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;NOTE 5
 &amp;#x2013; COMMON STOCK AND PREFERRED STOCK&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Common
 Stock&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;The
 Company&amp;#x2019;s common stock trades on the New York Stock Exchange
 under the symbol, &amp;#x201C;UTL.&amp;#x201D;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;The Company
 had 14,860,123, 14,876,955 and 14,916,044 shares of common stock
 outstanding at March&amp;#xA0;31, 2018, December&amp;#xA0;31, 2018 and
 March&amp;#xA0;31, 2019, respectively.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Dividend
 Reinvestment and Stock Purchase Plan
 &amp;#x2013;&lt;/b&gt;&amp;#xA0;During the first quarter of 2019, the
 Company sold 5,939 shares of its common stock, at an average price
 of $52.98 per share, in connection with its Dividend Reinvestment
 and Stock Purchase Plan (DRP) and its 401(k) plans resulting in net
 proceeds of approximately $314,700. The DRP provides participants
 in the plan a method for investing cash dividends on the
 Company&amp;#x2019;s common stock and cash payments in additional shares
 of the Company&amp;#x2019;s common stock.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Stock Plan
 &amp;#x2013;&lt;/b&gt;&amp;#xA0;The Company maintains the Unitil
 Corporation Second Amended and Restated 2003 Stock Plan (the Stock
 Plan). Participants in the Stock Plan are selected by the
 Compensation Committee of the Board of Directors to receive awards
 under the Stock Plan, including awards of restricted shares
 (Restricted Shares), or of restricted stock units (Restricted Stock
 Units). The Compensation Committee has the authority to determine
 the sizes of awards; determine the terms and conditions of awards
 in a manner consistent with the Stock Plan; construe and interpret
 the Stock Plan and any agreement or instrument entered into under
 the Stock Plan as they apply to participants; establish, amend, or
 waive rules and regulations for the Stock Plan&amp;#x2019;s
 administration as they apply to participants; and, subject to the
 provisions of the Stock Plan, amend the terms and conditions of any
 outstanding award to the extent such terms and conditions are
 within the discretion of the Compensation Committee as provided for
 in the Stock Plan. On April&amp;#xA0;19, 2012, the Company&amp;#x2019;s
 shareholders approved an amendment to the Stock Plan to, among
 other things, increase the maximum number of shares of common stock
 available for awards to plan participants.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;The maximum
 number of shares available for awards to participants under the
 Stock Plan is 677,500. The maximum number of shares that may be
 awarded in any one calendar year to any one participant is 20,000.
 In the event of any change in capitalization of the Company, the
 Compensation Committee is authorized to make an equitable
 adjustment to the number and kind of shares of common stock that
 may be delivered under the Stock Plan and, in addition, may
 authorize and make an equitable adjustment to the Stock
 Plan&amp;#x2019;s annual individual award limit.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;u&gt;Restricted
 Shares&lt;/u&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Outstanding
 awards of Restricted Shares fully vest over a period of four years
 at a rate of 25% each year. During the vesting period, dividends on
 Restricted Shares underlying the award may be credited to a
 participant&amp;#x2019;s account. The Company may deduct or withhold, or
 require a participant to remit to the Company, an amount sufficient
 to satisfy any taxes required by federal, state, or local law or
 regulation to be withheld with respect to any taxable event arising
 in connection with an Award. For purposes of compensation expense,
 Restricted Shares vest immediately upon a participant becoming
 eligible for retirement, as defined in the Stock Plan. Prior to the
 end of the vesting period, the restricted shares are subject to
 forfeiture if the participant ceases to be employed by the Company
 other than due to the participant&amp;#x2019;s death.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;On
 January&amp;#xA0;29, 2019, 33,150 Restricted Shares were issued in
 conjunction with the Stock Plan with an aggregate market value at
 the date of issuance of approximately $1.6&amp;#xA0;million. There were
 60,496 and 90,882&amp;#xA0;&lt;font style="WHITE-SPACE: nowrap"&gt;non-vested&lt;/font&gt;&amp;#xA0;shares
 under the Stock Plan as of March&amp;#xA0;31, 2019 and 2018,
 respectively. The weighted average grant date fair value of these
 shares was $46.23 and $41.93, respectively. The compensation
 expense associated with the issuance of shares under the Stock Plan
 is being recognized over the vesting period and was
 $1.7&amp;#xA0;million and $1.8&amp;#xA0;million for the three months ended
 March&amp;#xA0;31, 2019 and 2018, respectively. At March&amp;#xA0;31, 2019,
 there was approximately $1.3&amp;#xA0;million of total unrecognized
 compensation cost under the Stock Plan which is expected to be
 recognized over approximately 3.0 years. During the three months
 ended March&amp;#xA0;31, 2019 there were no forfeitures and no
 cancellations under the Stock Plan.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;u&gt;Restricted
 Stock Units&lt;/u&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Restricted
 Stock Units earn dividend equivalents and will generally be settled
 by payment to each Director as soon as practicable following the
 Director&amp;#x2019;s separation from service to the Company. The
 Restricted Stock Units will be paid such that the Director will
 receive (i)&amp;#xA0;70% of the shares of the Company&amp;#x2019;s common
 stock underlying the restricted stock units and (ii)&amp;#xA0;cash in
 an amount equal to the fair market value of 30% of the shares of
 the Company&amp;#x2019;s common stock underlying the Restricted Stock
 Units. The equity portion of Restricted Stock Units activity during
 the three months ended March&amp;#xA0;31, 2019 in conjunction with the
 Stock Plan are presented in the following table:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="76%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="81%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid"&gt;
 &lt;td style="BORDER-BOTTOM: rgb(0,0,0) 1px solid" valign="bottom" colspan="8" nowrap="nowrap" align="center"&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px" align="center"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="1"&gt;&lt;b&gt;Restricted
 Stock Units (Equity Portion)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: rgb(0,0,0) 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="1"&gt;&lt;b&gt;Units&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: rgb(0,0,0) 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="1"&gt;&lt;b&gt;Weighted&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="1"&gt;&lt;b&gt;Average&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="1"&gt;&lt;b&gt;Stock&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="1"&gt;&lt;b&gt;Price&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Restricted Stock Units as
 of December&amp;#xA0;31, 2018&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;61,789&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;38.25&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Restricted Stock Units
 Granted&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Dividend Equivalents
 Earned&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;417&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;54.91&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Restricted Stock Units
 Settled&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: rgb(0,0,0) 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: rgb(0,0,0) 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="break-inside: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;Restricted Stock Units as
 of March&amp;#xA0;31, 2019&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;62,206&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;38.36&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: rgb(0,0,0) 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: rgb(0,0,0) 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;There were
 52,677 Restricted Stock Units outstanding as of March&amp;#xA0;31, 2018
 with a weighted average stock price of $36.27. Included in Other
 Noncurrent Liabilities on the Company&amp;#x2019;s Consolidated Balance
 Sheets as of March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018 and
 December&amp;#xA0;31, 2018 is $1.4&amp;#xA0;million, $1.0&amp;#xA0;million and
 $1.3&amp;#xA0;million, respectively, representing the fair value of
 liabilities associated with the portion of fully vested RSUs that
 will be settled in cash.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;&lt;b&gt;Preferred
 Stock&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial"&gt;
 &lt;font style="FONT-FAMILY: &amp;quot;Times New Roman&amp;quot;" size="2"&gt;There was
 $0.2&amp;#xA0;million, or 1,893 shares, of Unitil Energy&amp;#x2019;s 6.00%
 Series Preferred Stock outstanding as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018. There were less
 than $0.1&amp;#xA0;million of total dividends declared on Preferred
 Stock in each of the three month periods ended March&amp;#xA0;31, 2019
 and March&amp;#xA0;31, 2018, respectively.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
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  <utl:ChangeInDeferredRegulatoryAndOtherCharges contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_13">-6900000</utl:ChangeInDeferredRegulatoryAndOtherCharges>
  <utl:DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_53D78E23-C54C-4C87-90D5-33232510CDCE_1_2">3600000</utl:DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture>
  <utl:ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_23">-900000</utl:ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations>
  <utl:RegulatoryLiabilityRecoveryRefund contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A98C1D19-D7ED-456D-880E-CC184FAFAEEB_1_0">47100000</utl:RegulatoryLiabilityRecoveryRefund>
  <utl:IncreaseDecreaseInGasInventoryFinancing contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" unitRef="iso4217_USD" decimals="-5" id="id_10651532_A1A7F71D-789B-4DC5-BF10-866AADAA504C_1_24">-7300000</utl:IncreaseDecreaseInGasInventoryFinancing>
  <utl:ScheduleOfOtherAccountsReceivableTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_2E597934-D0F2-4ED6-9784-12EA673D5C20_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table shows
 the components of Exchange Gas Receivable as of March&amp;#xA0;31,
 2019, March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Exchange Gas
 Receivable ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Northern
 Utilities&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Exchange Gas
 Receivable&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:ScheduleOfOtherAccountsReceivableTableTextBlock>
  <utl:DisclosureOfDividendsDeclaredAndPaidTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_334DB588-3D96-4EC2-A59F-AF51B4BB15B2_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;NOTE 2 &amp;#x2013; DIVIDENDS
 DECLARED PER SHARE&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="92%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="30%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="17%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="17%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="17%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="center"&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Declaration&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; BORDER-BOTTOM: #000000 1px solid; MARGIN-TOP: 0px; DISPLAY: table-cell" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Date&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Date&lt;br /&gt;
 Paid&lt;br /&gt;
 (Payable)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Shareholder&amp;#xA0;of&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Record&amp;#xA0;Date&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Dividend&lt;/b&gt;&lt;/font&gt;&lt;br /&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Amount&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top" align="center"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;04/24/19&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;05/29/19&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;05/15/19&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&amp;#xA0;0.370&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top" align="center"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;01/30/19&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;02/28/19&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;02/14/19&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&amp;#xA0;0.370&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1pt"&gt;
 &lt;td height="8"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="2"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="2"&gt;&lt;/td&gt;
 &lt;td height="8" colspan="2"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top" align="center"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10/24/18&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11/29/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;11/15/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$0.365&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top" align="center"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;07/25/18&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;08/29/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;08/15/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$0.365&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top" align="center"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;04/25/18&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;05/29/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;05/15/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&amp;#xA0;0.365&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top" align="center"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;01/30/18&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;02/28/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;02/14/18&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&amp;#xA0;0.365&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:DisclosureOfDividendsDeclaredAndPaidTextBlock>
  <utl:AllowanceForDoubtfulAccountsPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_85D7E308-1744-497B-8158-00C4010F664A_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Allowance for Doubtful
 Accounts &amp;#x2013;&lt;/b&gt; The Company recognizes a provision for
 doubtful accounts each month based upon the Company&amp;#x2019;s
 experience in collecting electric and gas utility service accounts
 receivable in prior years. At the end of each month, an analysis of
 the delinquent receivables is performed which takes into account an
 assumption about the cash recovery of delinquent receivables. The
 analysis also calculates the amount of &lt;font style="WHITE-SPACE: nowrap"&gt;written-off&lt;/font&gt; receivables that are
 recoverable through regulatory rate reconciling mechanisms. The
 Company&amp;#x2019;s distribution utilities are authorized by regulators
 to recover the costs of their energy commodity portion of bad debts
 through rate mechanisms. Also, the electric and gas divisions of
 Fitchburg are authorized to recover through rates past due amounts
 associated with hardship accounts that are protected from
 &lt;font style="WHITE-SPACE: nowrap"&gt;shut-off.&lt;/font&gt; Evaluating the
 adequacy of the Allowance for Doubtful Accounts requires judgment
 about the assumptions used in the analysis. It has been the
 Company&amp;#x2019;s experience that the assumptions it has used in
 evaluating the adequacy of the Allowance for Doubtful Accounts have
 proven to be reasonably accurate.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Allowance for Doubtful
 Accounts as of March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018 and
 December&amp;#xA0;31, 2018, which are included in Accounts Receivable,
 Net on the accompanying unaudited consolidated balance sheets, was
 as follows:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="10"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Allowance for Doubtful
 Accounts&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:AllowanceForDoubtfulAccountsPolicyTextBlock>
  <utl:ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_2F7CDEC0-34D6-41F6-90FF-A50E75BF568B_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table is a
 schedule of future operating lease payment obligations and future
 minimum lease payments under capital leases as of March&amp;#xA0;31,
 2019. The payments for capital leases consist of $3.0&amp;#xA0;million
 of current capital lease obligations, which are included in Other
 Current Liabilities and $1.9&amp;#xA0;million of noncurrent capital
 lease obligations, which are included in Other Noncurrent
 Liabilities, on the Company&amp;#x2019;s Consolidated Balance Sheets as
 of March&amp;#xA0;31, 2019. $2.8&amp;#xA0;million of the current capital
 lease obligations and $1.6&amp;#xA0;million of the noncurrent capital
 lease obligations reflect amounts under a financing arrangement
 entered into in April 2014 for various information systems and
 technology equipment. The financing arrangement is structured as a
 capital lease obligation.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The payments for operating
 leases consist of $1.1&amp;#xA0;million of current operating lease
 obligations, which are included in Other Current Liabilities and
 $2.8&amp;#xA0;million of noncurrent operating lease obligations, which
 are included in Other Noncurrent Liabilities, on the
 Company&amp;#x2019;s Consolidated Balance Sheets as of March&amp;#xA0;31,
 2019.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="86%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Lease Payments ($000&amp;#x2019;s)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Operating&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Capital&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Year Ending
 December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rest of 2019&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;967&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2,369&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,141&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2,576&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2021&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;972&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;96&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2022&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;691&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;33&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2023&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;391&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;15&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2024-2028&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;119&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total
 Payments&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4,281&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5,089&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Less: Interest&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;426&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;122&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Amount of Lease
 Obligations Recorded on Consolidated Balance Sheets&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3,855&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4,967&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The payment amounts in the
 following table, which are as of December&amp;#xA0;31, 2018, would not
 differ substantially from the payment amounts as of March&amp;#xA0;31,
 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="86%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Lease Payments ($000&amp;#x2019;s)&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Operating&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Capital&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Year Ending
 December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Leases&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2019&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,372&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3,069&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2020&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1,138&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2,535&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2021&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;969&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;93&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2022&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;689&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;32&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2023&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;390&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2024-2028&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;120&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total
 Payments&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4,678&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5,743&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock>
  <utl:AllowanceForDoubtfulAccountsTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_8A9EA055-7C7E-4C51-83F1-0E27D9F2BB35_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Allowance for Doubtful
 Accounts as of March&amp;#xA0;31, 2019, March&amp;#xA0;31, 2018 and
 December&amp;#xA0;31, 2018, which are included in Accounts Receivable,
 Net on the accompanying unaudited consolidated balance sheets, was
 as follows:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" colspan="10"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Allowance for Doubtful
 Accounts&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.7&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;1.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:AllowanceForDoubtfulAccountsTableTextBlock>
  <utl:NatureOfOperationsPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_D2FD0988-C426-4864-A228-E4595D3F2001_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Nature of Operations&lt;/b&gt;
 &amp;#x2013; Unitil Corporation (Unitil or the Company) is a public
 utility holding company. Unitil and its subsidiaries are subject to
 regulation as a holding company system by the Federal Energy
 Regulatory Commission (FERC) under the Energy Policy Act of 2005.
 The following companies are wholly-owned subsidiaries of Unitil:
 Unitil Energy Systems, Inc. (Unitil Energy), Fitchburg Gas and
 Electric Light Company (Fitchburg), Northern Utilities, Inc.
 (Northern Utilities), Granite State Gas Transmission, Inc. (Granite
 State), Unitil Power Corp. (Unitil Power), Unitil Realty Corp.
 (Unitil Realty), Unitil Service Corp. (Unitil Service) and its
 &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; business
 unit Unitil Resources, Inc. (Unitil Resources). Usource Inc. and
 Usource L.L.C., which the Company sold in the first quarter of
 2019, were wholly-owned subsidiaries of Unitil
 Resources.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The Company&amp;#x2019;s
 earnings are seasonal and are typically higher in the first and
 fourth quarters when customers use natural gas for heating
 purposes.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unitil&amp;#x2019;s principal
 business is the local distribution of electricity in the
 southeastern seacoast and state capital regions of New Hampshire
 and the greater Fitchburg area of north central Massachusetts, and
 the local distribution of natural gas in southeastern New
 Hampshire, portions of southern and central Maine and in the
 greater Fitchburg area of north central Massachusetts. Unitil has
 three distribution utility subsidiaries, Unitil Energy, which
 operates in New Hampshire, Fitchburg, which operates in
 Massachusetts and Northern Utilities, which operates in New
 Hampshire and Maine (collectively referred to as the distribution
 utilities).&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Granite State is a natural
 gas transportation pipeline, operating 86 miles of underground gas
 transmission pipeline primarily located in Maine and New Hampshire.
 Granite State provides Northern Utilities with interconnection to
 three major natural gas pipelines and access to domestic natural
 gas supplies in the south and Canadian natural gas supplies in the
 north. Granite State derives its revenues principally from the
 transportation services provided to Northern Utilities and, to a
 lesser extent, third-party marketers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;A fifth utility subsidiary,
 Unitil Power, formerly functioned as the full requirements
 wholesale power supply provider for Unitil Energy. In connection
 with the implementation of electric industry restructuring in New
 Hampshire, Unitil Power ceased being the wholesale supplier of
 Unitil Energy on May&amp;#xA0;1, 2003 and divested of its long-term
 power supply contracts through the sale of the entitlements to the
 electricity associated with various electric power supply contracts
 it had acquired to serve Unitil Energy&amp;#x2019;s
 customers.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unitil also has three other
 wholly-owned subsidiaries: Unitil Service; Unitil Realty; and
 Unitil Resources. Unitil Service provides, at cost, a variety of
 administrative and professional services, including regulatory,
 financial, accounting, human resources, engineering, operations,
 technology, energy management and management services on a
 centralized basis to its affiliated Unitil companies. Unitil Realty
 owns and manages the Company&amp;#x2019;s corporate office in Hampton,
 New Hampshire and leases this facility to Unitil Service under a
 long-term lease arrangement. Unitil Resources is the
 Company&amp;#x2019;s wholly-owned &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt; subsidiary. Usource,
 Inc. and Usource L.L.C. (collectively, Usource), which the Company
 divested of in the first quarter of 2019, were wholly-owned
 subsidiaries of Unitil Resources. Usource provided brokering and
 advisory services to large commercial and industrial customers in
 the northeastern United States. See additional discussion of the
 divestiture of Usource below.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</utl:NatureOfOperationsPolicyTextBlock>
  <utl:ScheduleOfCapitalLeasesObligationsTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_1F45A2EA-622E-4116-90A7-77746B591999_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The balance sheet
 classification of the Company&amp;#x2019;s lease obligations was as
 follows:&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Lease Obligations ($
 millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Operating Lease
 Obligations:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Current Liabilities
 (current portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Noncurrent
 Liabilities (long-term portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;2.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Operating Lease
 Obligations&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Capital Lease
 Obligations:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Current Liabilities
 (current portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;3.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other Noncurrent
 Liabilities (long-term portion)&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;1.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;4.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Capital Lease
 Obligations&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.9&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Lease
 Obligations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;8.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:ScheduleOfCapitalLeasesObligationsTableTextBlock>
  <utl:ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_8AB2C964-1FDA-49B5-9550-37EBC87AF952_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;In the following tables,
 revenue is classified by the types of goods/services rendered and
 market/customer type.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="80%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Three&amp;#xA0;Months&amp;#xA0;Ended&amp;#xA0;March&amp;#xA0;31,&amp;#xA0;2019&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;
 &amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas and
 Electric Operating Revenues ($ millions):&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Residential&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;38.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;35.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;C&amp;amp;I&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;24.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;78.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;6.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;99.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;62.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;161.9&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(12.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;2.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(10.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas and Electric
 Operating Revenues&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;86.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;64.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;151.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="78%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;Three&amp;#xA0;Months&amp;#xA0;Ended&amp;#xA0;March&amp;#xA0;31,&amp;#xA0;2018&amp;#xA0;&amp;#xA0;&amp;#xA0;&amp;#xA0;
 &amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas and
 Electric Operating Revenues ($ millions):&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Gas&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Electric&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Total&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Billed and Unbilled
 Revenue:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Residential&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;35.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;70.2&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;C&amp;amp;I&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;50.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;24.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;74.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;3.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Total Billed and Unbilled
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;91.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;61.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;153.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Rate Adjustment Mechanism
 Revenue&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(4.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;(8.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;)&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Gas and Electric
 Operating Revenues&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;87.0&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;57.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;144.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock>
  <utl:UnbilledAccountsReceivableTableTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_E26872BB-ABF1-4167-BD2F-1EBA33BE94F4_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;The following table shows
 the components of Accrued Revenue as of March&amp;#xA0;31, 2019,
 March&amp;#xA0;31, 2018 and December&amp;#xA0;31, 2018.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="82%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="3%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Accrued
 Revenue ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Regulatory Assets &amp;#x2013;
 Current&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;29.4&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;34.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;41.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Unbilled
 Revenues&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;10.8&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;10.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;13.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Accrued
 Revenue&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;40.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;45.1&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;54.7&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;/div&gt;</utl:UnbilledAccountsReceivableTableTextBlock>
  <utl:RecentlyIssuedAccountingPronouncementsPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_BA0822FB-578C-4803-8799-DD7841B40EC8_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Recently Issued
 Pronouncements &amp;#x2013;&lt;/b&gt; In February 2016, the FASB issued ASU
 &lt;font style="WHITE-SPACE: nowrap"&gt;No.&amp;#xA0;2016-02,&lt;/font&gt;
 &amp;#x201C;Leases (Topic 842)&amp;#x201D;. The new standard requires lessees
 to record assets and liabilities on the balance sheet for all
 leases with terms longer than 12 months. The Company adopted the
 standard as of January&amp;#xA0;1, 2019. See &amp;#x201C;Leases&amp;#x201D; above
 in Note 1.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Other than the
 pronouncement discussed above, there are no recently issued
 pronouncements that the Company has not already adopted or that
 have a material impact on the Company.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</utl:RecentlyIssuedAccountingPronouncementsPolicyTextBlock>
  <utl:SupplyCommitmentPolicyTextBlock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0" id="id_10651532_B133AB7B-895B-459B-A422-42CEF2144414_1_0">&lt;div&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Energy Supply
 Obligations &amp;#x2013;&lt;/b&gt; The following discussion and table
 summarize the nature and amounts of the items recorded as Energy
 Supply Obligations (current portion) and Other Noncurrent
 Liabilities (noncurrent portion) on the Company&amp;#x2019;s
 Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0"&gt;
 &lt;tr&gt;
 &lt;td width="81%"&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;March&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;
 &lt;p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell"&gt;
 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Energy
 Supply Obligations ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Current:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Exchange Gas
 Obligation&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.2&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Renewable Energy Portfolio
 Standards&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.5&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;5.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Power Supply Contract
 Divestitures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.3&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.3&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Energy Supply
 Obligations &amp;#x2013; Current&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;4.6&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;7.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;13.4&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Long-Term:&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Power Supply Contract
 Divestitures&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.5&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.8&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;0.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Energy Supply
 Obligations&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;5.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;8.6&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;14.0&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;/table&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Exchange Gas
 Obligation&lt;/b&gt; &amp;#x2013; As discussed above, Northern Utilities
 enters into gas exchange agreements under which Northern Utilities
 releases certain natural gas pipeline and storage assets, resells
 the natural gas storage inventory to an asset manager and
 subsequently repurchases the inventory over the course of the
 natural gas heating season at the same price at which it sold the
 natural gas inventory to the asset manager. The gas inventory
 related to these agreements is recorded in Exchange Gas Receivable
 on the Company&amp;#x2019;s Consolidated Balance Sheets while the
 corresponding obligations are recorded in Energy Supply
 Obligations.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Renewable Energy
 Portfolio Standards&lt;/b&gt; &amp;#x2013; Renewable Energy Portfolio
 Standards (RPS) require retail electricity suppliers, including
 public utilities, to demonstrate that required percentages of their
 sales are met with power generated from certain types of resources
 or technologies. Compliance is demonstrated by purchasing and
 retiring Renewable Energy Certificates (REC) generated by
 facilities approved by the state as qualifying for REC treatment.
 Unitil Energy and Fitchburg purchase RECs in compliance with RPS
 legislation in New Hampshire and Massachusetts for supply provided
 to default service customers. RPS compliance costs are a supply
 cost that is recovered in customer default service rates. Unitil
 Energy and Fitchburg collect RPS compliance costs from customers
 throughout the year and demonstrate compliance for each calendar
 year on the following July 1. Due to timing differences between
 collection of revenue from customers and payment of REC costs to
 suppliers, Unitil Energy and Fitchburg typically maintain accrued
 revenue for RPS compliance which is recorded in Accrued Revenue
 with a corresponding liability in Energy Supply Obligations on the
 Company&amp;#x2019;s Consolidated Balance Sheets.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Fitchburg has entered into
 long-term renewable contracts for the purchase of clean energy
 and/or renewable energy certificates (RECs) pursuant to
 Massachusetts legislation, specifically, An Act Relative to Green
 Communities (&amp;#x201C;Green Communities Act&amp;#x201D;, 2008), An Act
 Relative to Competitively Priced Electricity in the Commonwealth
 (2012)&amp;#xA0;and An Act to Promote Energy Diversity (&amp;#x201C;Energy
 Diversity Act&amp;#x201D;, 2016). The generating facilities associated
 with four of these contracts have been constructed and are now
 operating. Since 2017, the Company has participated in two major
 statewide procurements which resulted in contracts for imported
 hydroelectric power and associated transmission and for offshore
 wind generation. The contracts were filed with MDPU in 2018 and
 approvals remain pending.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Additional long-term clean
 energy contracts are expected in compliance with the Energy
 Diversity Act and An Act to Promote a Clean Energy Future (2018).
 Fitchburg recovers the costs associated with long-term renewable
 contracts on a fully reconciling basis through a MDPU-approved cost
 recovery mechanism.&lt;/font&gt;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px"&gt;
 &amp;#xA0;&lt;/p&gt;
 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Power Supply Contract
 Divestitures &amp;#x2013;&lt;/b&gt; Unitil Energy&amp;#x2019;s and
 Fitchburg&amp;#x2019;s customers are entitled to purchase their electric
 or natural gas supplies from third-party suppliers. In connection
 with the implementation of retail choice, Unitil Power, which
 formerly functioned as the wholesale power supply provider for
 Unitil Energy, and Fitchburg divested their long-term power supply
 contracts through the sale of the entitlements to the electricity
 sold under those contracts. Unitil Energy and Fitchburg recover in
 their rates all the costs associated with the divestiture of their
 power supply portfolios and have secured regulatory approval from
 the NHPUC and MDPU, respectively, for the recovery of power
 supply-related stranded costs. The obligations related to these
 divestitures are recorded in Energy Supply Obligations (current
 portion) and Other Noncurrent Liabilities (noncurrent portion) on
 the Company&amp;#x2019;s Consolidated Balance Sheets with corresponding
 regulatory assets recorded in Accrued Revenue (current portion) and
 Regulatory Assets (noncurrent portion).&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</utl:SupplyCommitmentPolicyTextBlock>
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 &lt;font style="WHITE-SPACE: nowrap"&gt;Non-Regulated&lt;/font&gt; Business
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 of its &lt;font style="WHITE-SPACE: nowrap"&gt;non-regulated&lt;/font&gt;
 energy brokering and advisory business subsidiary, Usource. The
 Company recognized an &lt;font style="WHITE-SPACE: nowrap"&gt;after-tax&lt;/font&gt; net gain of approximately
 $9.8&amp;#xA0;million on this divestiture in the first quarter of 2019.
 The &lt;font style="WHITE-SPACE: nowrap"&gt;pre-tax&lt;/font&gt; net gain of
 approximately $13.4&amp;#xA0;million on this divestiture is included in
 Other Income (Expense), Net on the Consolidated Statements of
 Earnings for the three months ended March&amp;#xA0;31, 2019, while the
 income taxes associated with this transaction of $3.6&amp;#xA0;million
 are included in the Provision For Income Taxes.&lt;/font&gt;&lt;/p&gt;
 &lt;/div&gt;</utl:DivestituresPolicyPolicyTextBlock>
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  <utl:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedInPeriodWeightedAverageGrantDateFairValue contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1777388x1792917" unitRef="iso4217_USD_per_shares" decimals="2" id="id_10651532_8D342581-64BB-4D4A-99B5-6870817C8860_1002_1">46.23</utl:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedInPeriodWeightedAverageGrantDateFairValue>
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 &lt;p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Changes in the fair value
 of these investments are recorded in Other Expense, Net.&lt;/font&gt;&lt;/p&gt;
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 &amp;#xA0;&lt;/p&gt;
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 &lt;tr&gt;
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 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
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 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
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 &lt;td&gt;&lt;/td&gt;
 &lt;td&gt;&lt;/td&gt;
 &lt;td valign="bottom" width="4%"&gt;&lt;/td&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;December&amp;#xA0;31,&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
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 &lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;Fair Value
 of Marketable Securities ($ millions)&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2019&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="1"&gt;&lt;b&gt;2018&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
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 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Equity Funds&lt;/font&gt;&lt;/p&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
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 &lt;p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;Money Market
 Funds&lt;/font&gt;&lt;/p&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;0.1&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
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 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 1px solid"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF"&gt;
 &lt;td valign="top"&gt;
 &lt;p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;Total Marketable
 Securities&lt;/b&gt;&lt;/font&gt;&lt;/p&gt;
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 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;$&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
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 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&lt;b&gt;&amp;#xA0;&lt;/b&gt;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&lt;font size="1"&gt;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;$&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap" align="right"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#x2014;&amp;#xA0;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;td valign="bottom" nowrap="nowrap"&gt;&lt;font style="FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#xA0;&lt;/font&gt;&lt;/td&gt;
 &lt;/tr&gt;
 &lt;tr style="FONT-SIZE: 1px"&gt;
 &lt;td valign="bottom"&gt;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;&amp;#xA0;&amp;#xA0;&lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td valign="bottom"&gt;
 &lt;p style="BORDER-TOP: #000000 3px double"&gt;&amp;#xA0;&lt;/p&gt;
 &lt;/td&gt;
 &lt;td&gt;&amp;#xA0;&lt;/td&gt;
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  <us-gaap:ProceedsFromLinesOfCredit contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1779182x1792477" unitRef="iso4217_USD" decimals="-5" id="id_10651532_8685E31C-74EE-4037-B9A5-091CB4FBA7A1_1001_0">75700000</us-gaap:ProceedsFromLinesOfCredit>
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  <us-gaap:IncomeTaxExaminationDescription contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1784784x1950679" id="id_10651532_1DE3710E-77E1-441F-B1DB-A908E209C0B8_1001_0">The Company remains  subject to examination by Federal, Maine, Massachusetts, and New Hampshire tax  authorities for the tax periods ended December 31, 2015; December 31, 2016; and  December 31, 2017.</us-gaap:IncomeTaxExaminationDescription>
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  <us-gaap:CostOfGoodsAndServicesSold contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1790804x1916311" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_2001_6">42900000</us-gaap:CostOfGoodsAndServicesSold>
  <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1790804x1916311" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_2001_1">86400000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
  <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1790804x1945675" unitRef="iso4217_USD" decimals="-5" id="id_10651532_840948D6-64C7-4242-BBA1-BC6B4A6A8E1D_3001_3">900000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
  <us-gaap:DividendsPreferredStock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1791038x1786251" unitRef="iso4217_USD" decimals="INF" id="id_10651532_B6EE125D-3224-4CF5-A428-4E44CCCB2A2C_2001_3">100000</us-gaap:DividendsPreferredStock>
  <utl:CashEquivalentsMaturityPeriod contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1791038x1786251" id="id_10651532_EF72213E-FFFB-465E-A36F-AEC6EAF7EBE7_1001_1">P3M</utl:CashEquivalentsMaturityPeriod>
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  <utl:RemainingAmortizationPeriod contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1792188x1781998_1792343x1788630" id="id_10651532_F67756E6-BE8F-4F90-8A1B-8F6AB9CE4B40_1001_1">P5Y</utl:RemainingAmortizationPeriod>
  <utl:RemainingAmortizationPeriod contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1792188x1781998_1792343x1788794" id="id_10651532_F67756E6-BE8F-4F90-8A1B-8F6AB9CE4B40_2001_0">P7Y</utl:RemainingAmortizationPeriod>
  <us-gaap:StockIssuedDuringPeriodSharesNewIssues contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1792342x1778120_1792391x1902840" unitRef="shares" decimals="INF" id="id_10651532_F9AD770F-E4F3-49A4-861E-400E3097C417_1001_0">5939</us-gaap:StockIssuedDuringPeriodSharesNewIssues>
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  <us-gaap:DividendsCommonStock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1792342x1791757" unitRef="iso4217_USD" decimals="-5" id="id_10651532_8C45633D-EDC0-43BA-999D-0C28D7B074F4_9002_3">5500000</us-gaap:DividendsCommonStock>
  <us-gaap:NetIncomeLoss contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1792342x1791757" unitRef="iso4217_USD" decimals="-5" id="id_10651532_8C45633D-EDC0-43BA-999D-0C28D7B074F4_9002_2">26500000</us-gaap:NetIncomeLoss>
  <us-gaap:ProceedsFromIssuanceOfCommonStock contextRef="eol_PE1985----1910-Q0003_STD_90_20190331_0_1792391x1902840" unitRef="iso4217_USD" decimals="0" id="id_10651532_F9AD770F-E4F3-49A4-861E-400E3097C417_2001_2">314700</us-gaap:ProceedsFromIssuanceOfCommonStock>
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  <import namespace="http://fasb.org/us-types/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-types-2018-01-31.xsd"/>
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <import namespace="http://fasb.org/srt/2018-01-31" schemaLocation="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd"/>
  <import namespace="http://fasb.org/us-gaap/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/currency/2017-01-31" schemaLocation="https://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/dei/2018-01-31" schemaLocation="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/exch/2018-01-31" schemaLocation="https://xbrl.sec.gov/exch/2018/exch-2018-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="https://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/naics/2017-01-31" schemaLocation="https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="https://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd"/>
  <import namespace="http://xbrl.sec.gov/stpr/2018-01-31" schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd"/>
  <element name="AllowanceForDoubtfulAccountsPolicyTextBlock" id="utl_AllowanceForDoubtfulAccountsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AllowanceForDoubtfulAccountsTableTextBlock" id="utl_AllowanceForDoubtfulAccountsTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmendedCreditFacilityMember" id="utl_AmendedCreditFacilityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BenefitPlanCostsMember" id="utl_BenefitPlanCostsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BilledAndUnbilledRevenueMember" id="utl_BilledAndUnbilledRevenueMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CapitalLeasesTerminationDate" id="utl_CapitalLeasesTerminationDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CashDeposits" id="utl_CashDeposits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CashEquivalentsMaturityPeriod" id="utl_CashEquivalentsMaturityPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ChangeInDeferredRegulatoryAndOtherCharges" id="utl_ChangeInDeferredRegulatoryAndOtherCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommercialAndIndustrialMember" id="utl_CommercialAndIndustrialMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CommonStockEquity" id="utl_CommonStockEquity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock" id="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractsProRataSharePercentage" id="utl_ContractsProRataSharePercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractualObligationLineItems" id="utl_ContractualObligationLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractualObligationsMember" id="utl_ContractualObligationsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ContractualObligationTable" id="utl_ContractualObligationTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="CreditFacilityMember" id="utl_CreditFacilityMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredCompensationPlanMember" id="utl_DeferredCompensationPlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DeferredIncomeTaxProvision" id="utl_DeferredIncomeTaxProvision" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlanCapitalizedAndDeferred" id="utl_DefinedBenefitPlanCapitalizedAndDeferred" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DefinedBenefitPlanGrossPeriodicBenefitCost" id="utl_DefinedBenefitPlanGrossPeriodicBenefitCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisclosureOfDividendsDeclaredAndPaidTextBlock" id="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture" id="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DivestitureMember" id="utl_DivestitureMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DivestituresPolicyPolicyTextBlock" id="utl_DivestituresPolicyPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DividendAndDistributionReinvestmentAndSharePurchasePlanMember" id="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentAndEntityInformationAbstract" id="utl_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DomesticCountryAndStateAndLocalJurisdictionMember" id="utl_DomesticCountryAndStateAndLocalJurisdictionMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ElectricMember" id="utl_ElectricMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ElectricRatePayersMember" id="utl_ElectricRatePayersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ElectricUtilitiesMember" id="utl_ElectricUtilitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EnergyMarketingContractLiabilities" id="utl_EnergyMarketingContractLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EnvironmentalAndRateCaseCostsAndOtherExpendituresMember" id="utl_EnvironmentalAndRateCaseCostsAndOtherExpendituresMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EnvironmentalMattersMember" id="utl_EnvironmentalMattersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EstimatedFlowBackPeriod" id="utl_EstimatedFlowBackPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FacilityPowerCapacity" id="utl_FacilityPowerCapacity" type="num:powerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueOfRestrictedStockUnitsSettledInCash" id="utl_FairValueOfRestrictedStockUnitsSettledInCash" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FinancingArrangementsMember" id="utl_FinancingArrangementsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember" id="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember" id="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember" id="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember" id="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember" id="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember" id="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember" id="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FitchburgGasAndElectricLightCompanyMember" id="utl_FitchburgGasAndElectricLightCompanyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GainOnDivestitureOfBusinessPretax" id="utl_GainOnDivestitureOfBusinessPretax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GasMember" id="utl_GasMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GasPipelineRefundMember" id="utl_GasPipelineRefundMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GasRatePayersMember" id="utl_GasRatePayersMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GasSegmentMember" id="utl_GasSegmentMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GraniteStateGasTransmissionIncMember" id="utl_GraniteStateGasTransmissionIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GroupFiveMember" id="utl_GroupFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GroupFourMember" id="utl_GroupFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GroupOneMember" id="utl_GroupOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GroupSixMember" id="utl_GroupSixMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GroupThreeMember" id="utl_GroupThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GroupTwoMember" id="utl_GroupTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ImputedInterestOnOperatingLeases" id="utl_ImputedInterestOnOperatingLeases" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeTaxesLineItems" id="utl_IncomeTaxesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeTaxesMember" id="utl_IncomeTaxesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeTaxesTable" id="utl_IncomeTaxesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="IncomeTaxRelatedLiabilitiesMember" id="utl_IncomeTaxRelatedLiabilitiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseDecreaseInGasInventoryFinancing" id="utl_IncreaseDecreaseInGasInventoryFinancing" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncreaseInAnnualBaseRate" id="utl_IncreaseInAnnualBaseRate" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InfrastructureReplacementAdjustment" id="utl_InfrastructureReplacementAdjustment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeaseAssets" id="utl_LeaseAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeaseLiabilities" id="utl_LeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeaseObligation" id="utl_LeaseObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeasesFutureMinimumPaymentsLineItems" id="utl_LeasesFutureMinimumPaymentsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LeasesFutureMinimumPaymentsTable" id="utl_LeasesFutureMinimumPaymentsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="LengthOfPipeline" id="utl_LengthOfPipeline" type="num:lengthItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LetterOfCreditFacilityAndBankGuaranteesOutstanding" id="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NatureOfOperationsPolicyTextBlock" id="utl_NatureOfOperationsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetGainOnDivestitureOfBusiness" id="utl_NetGainOnDivestitureOfBusiness" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetOperatingLossCarryforwardAssetsMember" id="utl_NetOperatingLossCarryforwardAssetsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetOperatingLossCarryforwardsExpirationYear" id="utl_NetOperatingLossCarryforwardsExpirationYear" type="xbrli:gYearItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NewEnglandMember" id="utl_NewEnglandMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NoncashInvestingActivityAbstract" id="utl_NoncashInvestingActivityAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NorthernUtilitiesIncMember" id="utl_NorthernUtilitiesIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberOfSubsidiaries" id="utl_NumberOfSubsidiaries" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OffshoreEnergyMember" id="utl_OffshoreEnergyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingRevenuesLineItems" id="utl_OperatingRevenuesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingRevenueTable" id="utl_OperatingRevenueTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="Other1Member" id="utl_Other1Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherCustomerMember" id="utl_OtherCustomerMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherDeferredChargesMember" id="utl_OtherDeferredChargesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherSubsidiariesMember" id="utl_OtherSubsidiariesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled" id="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled" id="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PeriodFiveMember" id="utl_PeriodFiveMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PeriodTypeAxis" id="utl_PeriodTypeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
  <element name="PeriodTypeDomain" id="utl_PeriodTypeDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PermanentAdjustmentForRateIncrease" id="utl_PermanentAdjustmentForRateIncrease" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PostretirementBenefitMember" id="utl_PostretirementBenefitMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PowerGenerationCapacity" id="utl_PowerGenerationCapacity" type="num:energyItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations" id="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate" id="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PublicUtilitiesPropertyPlantAndEquipmentGas" id="utl_PublicUtilitiesPropertyPlantAndEquipmentGas" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="QualifiedCleanEnergyMember" id="utl_QualifiedCleanEnergyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RateAdjustmentMechanismRevenueMember" id="utl_RateAdjustmentMechanismRevenueMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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</schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>10
<FILENAME>utl-20190331_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN Xcelerate Taxonomy Calculation Linkbase - https://www.dfinsolutions.com/ -->
<!-- Version: 6.23.6 -->
<!-- Round: 5 -->
<!-- Creation date: 2019-04-24T16:19:51Z -->
<!-- Copyright (c) 2019 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>11
<FILENAME>utl-20190331_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
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<XBRL>
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<!-- DFIN Xcelerate Taxonomy Definition Linkbase - https://www.dfinsolutions.com/ -->
<!-- Version: 6.23.6 -->
<!-- Round: 5 -->
<!-- Creation date: 2019-04-24T16:19:51Z -->
<!-- Copyright (c) 2019 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="100.0000" xbrldt:closed="true" xbrldt:contextElement="segment" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock" order="1.0100" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" priority="2" use="optional"/>
  </definitionLink>
  <definitionLink xlink:type="extended" xlink:role="http://www.unitil.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="100.0000" xbrldt:closed="true" xbrldt:contextElement="segment" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock" order="1.0100" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" priority="2" use="optional"/>
  </definitionLink>
  <definitionLink xlink:type="extended" xlink:role="http://www.unitil.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="100.0000" xbrldt:closed="true" xbrldt:contextElement="segment" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" order="1.0100" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" priority="2" use="optional"/>
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  <definitionLink xlink:type="extended" xlink:role="http://www.unitil.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" xlink:label="us-gaap_ScheduleOfAssumptionsUsedTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:label="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
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    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" order="100.0000" xbrldt:closed="true" xbrldt:contextElement="segment" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAssumptionsUsedTableTextBlock" order="1.0100" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" order="1.0200" priority="2" use="optional"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" priority="2" use="optional"/>
  </definitionLink>
</linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>12
<FILENAME>utl-20190331_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN Xcelerate Taxonomy Labels Linkbase - https://www.dfinsolutions.com/ -->
<!-- Version: 6.23.6 -->
<!-- Round: 5 -->
<!-- Creation date: 2019-04-24T16:19:51Z -->
<!-- Copyright (c) 2019 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>
  <labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US" id="id_10651532_1776474_1_1">Accounting Policies [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US" id="id_10651532_1776474_2_1">Accounting Policies [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1776706_1_1">Billing Status, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1776706_2_1">Billing Status, Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis" xlink:to="us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US" id="id_10651532_1776056_1_1">Accounts Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US" id="id_10651532_1776056_2_1">Accounts Payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US" id="id_10651532_1776712_1_1">Accounts Receivable, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US" id="id_10651532_1776712_2_1">Accounts Receivable, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_10651532_1776066_1_1">Accrual for Environmental Loss Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_10651532_1776066_4_1">Total Balance at End of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_10651532_1776066_5_1">Total Balance at Beginning of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_10651532_1776066_6_1">Total Balance at End of period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingencies" xlink:to="us-gaap_AccrualForEnvironmentalLossContingencies_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_lbl" xml:lang="en-US" id="id_10651532_1776067_1_1">Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_lbl" xml:lang="en-US" id="id_10651532_1776067_2_1">Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses" xlink:to="us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingenciesPayments1" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_lbl" xml:lang="en-US" id="id_10651532_1776284_1_1">Accrual for Environmental Loss Contingencies, Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_lbl" xml:lang="en-US" id="id_10651532_1776284_2_1">Less: Payments / Reductions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1" xlink:to="us-gaap_AccrualForEnvironmentalLossContingenciesPayments1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US" id="id_10651532_1776528_1_1">Accrued Environmental Loss Contingencies, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_lbl" xml:lang="en-US" id="id_10651532_1776528_2_1">Less: Current Portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesCurrent" xlink:to="us-gaap_AccruedEnvironmentalLossContingenciesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776529_1_1">Accrued Environmental Loss Contingencies, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776529_2_1">Noncurrent Balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent" xlink:to="us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_10651532_1776741_1_1">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_10651532_1776741_2_1">Net Utility Plant, accumulated amortization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1776136_1_1">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1776136_2_1">Adjustments to Reconcile Net Income to Cash Provided by Operating Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="us-gaap_AllOtherSegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xml:lang="en-US" id="id_10651532_1776808_1_1">Other Segments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xml:lang="en-US" id="id_10651532_1776808_2_1">All Other Segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllOtherSegmentsMember" xlink:to="us-gaap_AllOtherSegmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_AllowanceForDoubtfulAccountsPolicyTextBlock" xlink:label="utl_AllowanceForDoubtfulAccountsPolicyTextBlock"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_AmendedCreditFacilityMember_lbl" xml:lang="en-US" id="id_10651532_1923959_3_1">Amended Credit Facility [Member]</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US" id="id_10651532_1776403_1_1">Amendment Flag</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xml:lang="en-US" id="id_10651532_1776842_1_1">Arrangements and Non-arrangement Transactions [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xml:lang="en-US" id="id_10651532_1776842_2_1">Arrangements and Non-arrangement Transactions [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent" xlink:label="us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776442_1_1">Asset Recovery Damaged Property Costs, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776442_2_1">Recovery amount</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776667_1_1">Asset Retirement Obligations, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776667_2_1">Cost of removal obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776667_12_1">Cost of Removal Obligations</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_10651532_1776228_1_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_10651532_1776228_2_1">Identifiable Segment Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_10651532_1776228_6_1">TOTAL ASSETS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_10651532_1776669_1_1">Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_10651532_1776669_2_1">ASSETS:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_10651532_1776671_1_1">Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_10651532_1776671_6_1">Total Current Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1776231_1_1">Assets, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1776231_2_1">Current Assets:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember_lbl" xml:lang="en-US" id="id_10651532_1776456_1_1">Assets Held under Capital Leases [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember_lbl" xml:lang="en-US" id="id_10651532_1776456_2_1">Assets under Capital Leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:to="us-gaap_AssetsHeldUnderCapitalLeasesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="us-gaap_AssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776876_1_1">Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1776876_6_1">Total Other Noncurrent Assets</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="us-gaap_AssetsNoncurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1777330_1_1">Assets, Noncurrent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsNoncurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1777330_2_1">Other Noncurrent Assets:</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1777388_1_1">Award Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1777388_2_1">Award Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="us-gaap_BalanceSheetLocationAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_10651532_1776962_1_1">Balance Sheet Location [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_10651532_1776962_2_1">Balance Sheet Location</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="us-gaap_BalanceSheetLocationDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xml:lang="en-US" id="id_10651532_1777395_1_1">Balance Sheet Location [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xml:lang="en-US" id="id_10651532_1777395_2_1">Balance Sheet Location [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1777197_1_1">Basis of Accounting, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1777197_2_1">Basis of Presentation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_BenefitPlanCostsMember" xlink:label="utl_BenefitPlanCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_BenefitPlanCostsMember_lbl" xml:lang="en-US" id="id_10651532_1943131_3_1">Benefit Plan Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_BenefitPlanCostsMember_lbl" xml:lang="en-US" id="id_10651532_1943131_1_1">Benefit Plan Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_BenefitPlanCostsMember_lbl" xml:lang="en-US" id="id_10651532_1943131_2_1">Benefit Plan Costs</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_BilledAndUnbilledRevenueMember_lbl" xml:lang="en-US" id="id_10651532_1935955_3_1">Billed and unbilled revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_BilledAndUnbilledRevenueMember_lbl" xml:lang="en-US" id="id_10651532_1935955_1_1">Billed And Unbilled Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_BilledAndUnbilledRevenueMember_lbl" xml:lang="en-US" id="id_10651532_1935955_2_1">Billed and Unbilled Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_BilledAndUnbilledRevenueMember" xlink:to="utl_BilledAndUnbilledRevenueMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xml:lang="en-US" id="id_10651532_1777524_1_1">Capital Expenditures Incurred but Not yet Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xml:lang="en-US" id="id_10651532_1777524_2_1">Capital Expenditures Included in Accounts Payable</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizationLongtermDebtAndEquity" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquity_lbl" xml:lang="en-US" id="id_10651532_1777296_1_1">Capitalization, Long-term Debt and Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquity_lbl" xml:lang="en-US" id="id_10651532_1777296_6_1">Total Capitalization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizationLongtermDebtAndEquity" xlink:to="us-gaap_CapitalizationLongtermDebtAndEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizationLongtermDebtAndEquityAbstract" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquityAbstract_lbl" xml:lang="en-US" id="id_10651532_1777525_1_1">Capitalization, Long-term Debt and Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquityAbstract_lbl" xml:lang="en-US" id="id_10651532_1777525_2_1">Capitalization:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizationLongtermDebtAndEquityAbstract" xlink:to="us-gaap_CapitalizationLongtermDebtAndEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="us-gaap_CapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1777108_1_1">Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1777108_2_1">Capital lease obligation, total capitalized cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1777108_6_1">Amount of Lease Obligations Recorded on Consolidated Balance Sheets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1777108_12_1">Total Capital Lease Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligations" xlink:to="us-gaap_CapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligationsAbstract" xlink:label="us-gaap_CapitalLeaseObligationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligationsAbstract_lbl" xml:lang="en-US" id="id_10651532_1777313_1_1">Capital Lease Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeaseObligationsAbstract_lbl" xml:lang="en-US" id="id_10651532_1777313_2_1">Capital Lease Obligations:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsAbstract" xlink:to="us-gaap_CapitalLeaseObligationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="us-gaap_CapitalLeaseObligationsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligationsCurrent_lbl" xml:lang="en-US" id="id_10651532_1777109_1_1">Capital Lease Obligations, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeaseObligationsCurrent_lbl" xml:lang="en-US" id="id_10651532_1777109_2_1">Capital lease obligation, current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CapitalLeaseObligationsCurrent_lbl" xml:lang="en-US" id="id_10651532_1777109_12_1">Other Current Liabilities (current portion)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsCurrent" xlink:to="us-gaap_CapitalLeaseObligationsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligationsIncurred" xlink:label="us-gaap_CapitalLeaseObligationsIncurred"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligationsIncurred_lbl" xml:lang="en-US" id="id_10651532_1777314_1_1">Capital Lease Obligations Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeaseObligationsIncurred_lbl" xml:lang="en-US" id="id_10651532_1777314_2_1">Payments on Capital Leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsIncurred" xlink:to="us-gaap_CapitalLeaseObligationsIncurred_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1777110_1_1">Capital Lease Obligations, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1777110_2_1">Capital lease obligation, noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1777110_12_1">Other Noncurrent Liabilities (long-term portion)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsNoncurrent" xlink:to="us-gaap_CapitalLeaseObligationsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_10651532_1777111_1_1">Capital Leases, Future Minimum Payments Due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_10651532_1777111_6_1">Total Payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_lbl" xml:lang="en-US" id="id_10651532_1777315_1_1">Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_lbl" xml:lang="en-US" id="id_10651532_1777315_2_1">Capital lease</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_10651532_1778201_1_1">Capital Leases, Future Minimum Payments Due, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_10651532_1778201_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_10651532_1778418_1_1">Capital Leases, Future Minimum Payments Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_10651532_1778418_2_1">2023</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_10651532_1777316_1_1">Capital Leases, Future Minimum Payments Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_10651532_1777316_2_1">2022</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_10651532_1777766_1_1">Capital Leases, Future Minimum Payments Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_10651532_1777766_2_1">2021</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_10651532_1778422_1_1">Capital Leases, Future Minimum Payments Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_10651532_1778422_2_1">2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_10651532_1778423_1_1">Capital Leases, Future Minimum Payments Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_10651532_1778423_2_1">2024-2028</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xml:lang="en-US" id="id_10651532_1778208_1_1">Capital Leases, Future Minimum Payments, Interest Included in Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xml:lang="en-US" id="id_10651532_1778208_2_1">Less: Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US" id="id_10651532_1777773_1_1">Capital Leases, Future Minimum Payments, Remainder of Fiscal Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US" id="id_10651532_1777773_2_1">Rest of 2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_CapitalLeasesTerminationDate" xlink:label="utl_CapitalLeasesTerminationDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CapitalLeasesTerminationDate_lbl" xml:lang="en-US" id="id_10651532_1879202_3_1">Capital Leases Termination Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CapitalLeasesTerminationDate_lbl" xml:lang="en-US" id="id_10651532_1879202_1_1">Capital Leases Termination Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CapitalLeasesTerminationDate_lbl" xml:lang="en-US" id="id_10651532_1879202_2_1">Capital lease obligation, maturity period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CapitalLeasesTerminationDate" xlink:to="utl_CapitalLeasesTerminationDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_10651532_1777796_1_1">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_10651532_1777796_2_1">Cash and Cash Equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1778242_1_1">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1778242_2_1">Cash and Cash Equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xml:lang="en-US" id="id_10651532_1778467_1_1">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xml:lang="en-US" id="id_10651532_1778467_4_1">Cash and Cash Equivalents at End of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xml:lang="en-US" id="id_10651532_1778467_5_1">Cash and Cash Equivalents at Beginning of Period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xml:lang="en-US" id="id_10651532_1778468_1_1">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xml:lang="en-US" id="id_10651532_1778468_6_1">Net (Decrease) Increase in Cash and Cash Equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_CashDeposits" xlink:label="utl_CashDeposits"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CashDeposits_lbl" xml:lang="en-US" id="id_10651532_1815777_3_1">Cash Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CashDeposits_lbl" xml:lang="en-US" id="id_10651532_1815777_1_1">Cash Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CashDeposits_lbl" xml:lang="en-US" id="id_10651532_1815777_2_1">Cash Deposits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CashDeposits" xlink:to="utl_CashDeposits_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_CashEquivalentsMaturityPeriod" xlink:label="utl_CashEquivalentsMaturityPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CashEquivalentsMaturityPeriod_lbl" xml:lang="en-US" id="id_10651532_1886816_3_1">Cash Equivalents, Maturity Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CashEquivalentsMaturityPeriod_lbl" xml:lang="en-US" id="id_10651532_1886816_1_1">Cash Equivalents, Maturity Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CashEquivalentsMaturityPeriod_lbl" xml:lang="en-US" id="id_10651532_1886816_2_1">Cash equivalents maturity period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CashEquivalentsMaturityPeriod" xlink:to="utl_CashEquivalentsMaturityPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ChangeInDeferredRegulatoryAndOtherCharges" xlink:label="utl_ChangeInDeferredRegulatoryAndOtherCharges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ChangeInDeferredRegulatoryAndOtherCharges_lbl" xml:lang="en-US" id="id_10651532_1821982_3_1">The net change during the reporting period in deferred regulatory and other charges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ChangeInDeferredRegulatoryAndOtherCharges_lbl" xml:lang="en-US" id="id_10651532_1821982_1_1">Change In Deferred Regulatory And Other Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ChangeInDeferredRegulatoryAndOtherCharges_lbl" xml:lang="en-US" id="id_10651532_1821982_2_1">Deferred Regulatory and Other Charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ChangeInDeferredRegulatoryAndOtherCharges" xlink:to="utl_ChangeInDeferredRegulatoryAndOtherCharges_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xml:lang="en-US" id="id_10651532_1778545_1_1">Class of Stock [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xml:lang="en-US" id="id_10651532_1778545_2_1">Class of Stock [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_CommercialAndIndustrialMember" xlink:label="utl_CommercialAndIndustrialMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CommercialAndIndustrialMember_lbl" xml:lang="en-US" id="id_10651532_1962496_3_1">Commercial and industrial.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CommercialAndIndustrialMember_lbl" xml:lang="en-US" id="id_10651532_1962496_1_1">Commercial and Industrial [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CommercialAndIndustrialMember_lbl" xml:lang="en-US" id="id_10651532_1962496_2_1">C&amp;I</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CommercialAndIndustrialMember" xlink:to="utl_CommercialAndIndustrialMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="id_10651532_1777924_1_1">Commitments and Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="id_10651532_1777924_2_1">Commitments and Contingencies (Notes 6 &amp; 7)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1778107_1_1">Commitments and Contingencies Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1778107_2_1">Commitments and Contingencies Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xml:lang="en-US" id="id_10651532_1778589_1_1">Common Stock, Dividends, Per Share, Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xml:lang="en-US" id="id_10651532_1778589_2_1">Dividend Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_CommonStockEquity" xlink:label="utl_CommonStockEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CommonStockEquity_lbl" xml:lang="en-US" id="id_10651532_1845878_3_1">Common Stock Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CommonStockEquity_lbl" xml:lang="en-US" id="id_10651532_1845878_1_1">Common Stock Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="utl_CommonStockEquity_lbl" xml:lang="en-US" id="id_10651532_1845878_4_1">Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="utl_CommonStockEquity_lbl" xml:lang="en-US" id="id_10651532_1845878_5_1">Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="utl_CommonStockEquity_lbl" xml:lang="en-US" id="id_10651532_1845878_6_1">Total Common Stock Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CommonStockEquity" xlink:to="utl_CommonStockEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember" xlink:label="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_lbl" xml:lang="en-US" id="id_10651532_1778590_1_1">Common Stock Including Additional Paid in Capital [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_lbl" xml:lang="en-US" id="id_10651532_1778590_2_1">Common Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember" xlink:to="us-gaap_CommonStockIncludingAdditionalPaidInCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="id_10651532_1778120_1_1">Common Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="id_10651532_1778120_2_1">Common Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US" id="id_10651532_1777934_1_1">Common Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US" id="id_10651532_1777934_2_1">Common Stock Authorized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1777935_1_1">Common Stock, Shares, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1777935_2_1">Common Equity Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1777935_12_1">Common stock, shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:label="us-gaap_CommonStocksIncludingAdditionalPaidInCapital"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStocksIncludingAdditionalPaidInCapital_lbl" xml:lang="en-US" id="id_10651532_1777937_1_1">Common Stocks, Including Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStocksIncludingAdditionalPaidInCapital_lbl" xml:lang="en-US" id="id_10651532_1777937_2_1">Common Equity (Authorized: 25,000,000 and Outstanding:14,916,044, 14,860,123 and 14,876,955 Shares)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStocksIncludingAdditionalPaidInCapital" xlink:to="us-gaap_CommonStocksIncludingAdditionalPaidInCapital_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1778390_1_1">Retirement Benefits [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1778390_2_1">Retirement Benefits [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock" xlink:label="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1969566_3_1">Components of gas operating revenue and electric operating revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1969566_1_1">Components of Gas Operating Revenue and Electric Operating Revenue [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1969566_2_1">Components of Gas and Electric Operating Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock" xlink:to="utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ContractsProRataSharePercentage" xlink:label="utl_ContractsProRataSharePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ContractsProRataSharePercentage_lbl" xml:lang="en-US" id="id_10651532_2004267_3_1">Contracts pro rata share percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ContractsProRataSharePercentage_lbl" xml:lang="en-US" id="id_10651532_2004267_1_1">Contracts Pro Rata Share Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ContractsProRataSharePercentage_lbl" xml:lang="en-US" id="id_10651532_2004267_2_1">Pro rata percentage share of contracts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ContractsProRataSharePercentage" xlink:to="utl_ContractsProRataSharePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ContractualObligationLineItems" xlink:label="utl_ContractualObligationLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ContractualObligationLineItems_lbl" xml:lang="en-US" id="id_10651532_1804523_3_1">Contractual Obligation [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ContractualObligationLineItems_lbl" xml:lang="en-US" id="id_10651532_1804523_1_1">Contractual Obligation [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ContractualObligationLineItems_lbl" xml:lang="en-US" id="id_10651532_1804523_2_1">Contractual Obligation [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ContractualObligationLineItems" xlink:to="utl_ContractualObligationLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ContractualObligationsMember" xlink:label="utl_ContractualObligationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ContractualObligationsMember_lbl" xml:lang="en-US" id="id_10651532_1905414_3_1">Contractual Obligations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ContractualObligationsMember_lbl" xml:lang="en-US" id="id_10651532_1905414_1_1">Contractual Obligations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ContractualObligationsMember_lbl" xml:lang="en-US" id="id_10651532_1905414_2_1">Energy Supply &amp; Other Rate Adjustment Mechanisms</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ContractualObligationTable_lbl" xml:lang="en-US" id="id_10651532_1892827_3_1">Contractual Obligation [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ContractualObligationTable_lbl" xml:lang="en-US" id="id_10651532_1892827_1_1">Contractual Obligation [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ContractualObligationTable_lbl" xml:lang="en-US" id="id_10651532_1892827_2_1">Contractual Obligation [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ContractualObligationTable" xlink:to="utl_ContractualObligationTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US" id="id_10651532_1779348_1_1">Cost of Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US" id="id_10651532_1779348_2_1">Operating Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="us-gaap_CostOfGoodsAndServicesSold_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="id_10651532_1779182_1_1">Credit Facility [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="id_10651532_1779182_2_1">Credit Facility [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="id_10651532_1779183_1_1">Credit Facility [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="id_10651532_1779183_2_1">Credit Facility [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_CreditFacilityMember" xlink:label="utl_CreditFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CreditFacilityMember_lbl" xml:lang="en-US" id="id_10651532_1938375_3_1">Credit facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CreditFacilityMember_lbl" xml:lang="en-US" id="id_10651532_1938375_1_1">Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CreditFacilityMember_lbl" xml:lang="en-US" id="id_10651532_1938375_2_1">Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CreditFacilityMember" xlink:to="utl_CreditFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_10651532_1778768_1_1">Current Federal Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_10651532_1778768_2_1">Reduction of federal tax decrease</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_10651532_1779406_1_1">Current Fiscal Year End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_10651532_1779406_2_1">Current Fiscal Year End Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1779439_1_1">Debt Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1779439_2_1">Debt Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1779440_1_1">Debt Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1779440_2_1">DEBT AND FINANCING ARRANGEMENTS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="id_10651532_1779230_1_1">Debt Instrument [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="id_10651532_1779230_2_1">Debt Instrument</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US" id="id_10651532_1779231_1_1">Debt Instrument, Basis Spread on Variable Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US" id="id_10651532_1779231_2_1">Credit facility, daily fluctuating rate of interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" id="id_10651532_1779441_1_1">Long-term Debt, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" id="id_10651532_1779441_2_1">Total Long-Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCovenantDescription" xlink:label="us-gaap_DebtInstrumentCovenantDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCovenantDescription_lbl" xml:lang="en-US" id="id_10651532_1779445_1_1">Debt Instrument, Covenant Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCovenantDescription_lbl" xml:lang="en-US" id="id_10651532_1779445_2_1">Percentage of capitalization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCovenantDescription" xlink:to="us-gaap_DebtInstrumentCovenantDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US" id="id_10651532_1779447_1_1">Debt Instrument, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US" id="id_10651532_1779447_2_1">Long-term debt, aggregate principal amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_10651532_1778826_1_1">Debt Instrument, Interest Rate, Stated Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_10651532_1778826_2_1">Long-term debt, stated interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_10651532_1778826_12_1">Stated interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US" id="id_10651532_1778982_1_1">Debt Instrument [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US" id="id_10651532_1778982_2_1">Debt Instrument [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_10651532_1778983_1_1">Debt Instrument, Maturity Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_10651532_1778983_2_1">Debt instrument due date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_10651532_1778983_12_1">Long-term debt, maturity date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US" id="id_10651532_1779452_1_1">Debt Instrument, Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xml:lang="en-US" id="id_10651532_1779452_2_1">Debt Instrument, Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US" id="id_10651532_1778991_1_1">Schedule of Long-term Debt Instruments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentTable_lbl" xml:lang="en-US" id="id_10651532_1778991_2_1">Schedule of Long-term Debt Instruments [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_DeferredCompensationPlanMember" xlink:label="utl_DeferredCompensationPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DeferredCompensationPlanMember_lbl" xml:lang="en-US" id="id_10651532_1920753_3_1">Deferred Compensation Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DeferredCompensationPlanMember_lbl" xml:lang="en-US" id="id_10651532_1920753_1_1">Deferred Compensation Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DeferredCompensationPlanMember_lbl" xml:lang="en-US" id="id_10651532_1920753_2_1">Deferred Compensation Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_DeferredCompensationPlanMember" xlink:to="utl_DeferredCompensationPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentNet_lbl" xml:lang="en-US" id="id_10651532_1780182_1_1">Debt Issuance Costs, Noncurrent, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentNet_lbl" xml:lang="en-US" id="id_10651532_1780182_2_1">Issuance of long-term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:to="us-gaap_DeferredFinanceCostsNoncurrentNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_10651532_1779987_1_1">Deferred Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_10651532_1779987_2_1">Deferred Tax Provision</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_lbl" xml:lang="en-US" id="id_10651532_1780285_2_1">Benefit payments under SERP Plan</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DefinedBenefitPlanCapitalizedAndDeferred_lbl" xml:lang="en-US" id="id_10651532_1867612_3_1">Amounts of pension and other post retirement benefit costs capitalized and deferred.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xml:lang="en-US" id="id_10651532_1780296_2_1">Defined Benefit Plan Disclosure [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:to="us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="us-gaap_DefinedBenefitPlanInterestCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_lbl" xml:lang="en-US" id="id_10651532_1780091_1_1">Defined Benefit Plan, Interest Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_lbl" xml:lang="en-US" id="id_10651532_1780091_2_1">Interest Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanInterestCost" xlink:to="us-gaap_DefinedBenefitPlanInterestCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xml:lang="en-US" id="id_10651532_1780314_1_1">Defined Benefit Plan, Net Periodic Benefit Cost (Credit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xml:lang="en-US" id="id_10651532_1780314_6_1">Net Periodic Benefit Cost Recognized</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="us-gaap_DefinedBenefitPlanServiceCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanServiceCost_lbl" xml:lang="en-US" id="id_10651532_1779839_1_1">Defined Benefit Plan, Service Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanServiceCost_lbl" xml:lang="en-US" id="id_10651532_1779839_2_1">Service Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanServiceCost" xlink:to="us-gaap_DefinedBenefitPlanServiceCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:label="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_lbl" xml:lang="en-US" id="id_10651532_1780337_1_1">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_lbl" xml:lang="en-US" id="id_10651532_1780337_2_1">Ultimate Health Care Cost Trend Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:to="us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" xlink:label="us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate_lbl" xml:lang="en-US" id="id_10651532_1780118_1_1">Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate_lbl" xml:lang="en-US" id="id_10651532_1780118_2_1">Year that Ultimate Health Care Cost Trend Rate is reached</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" xlink:to="us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1780584_1_1">Derivatives, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1780584_2_1">Derivatives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="us-gaap_DerivativesPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_DisclosureOfDividendsDeclaredAndPaidTextBlock" xlink:label="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock_lbl" xml:lang="en-US" id="id_10651532_1964490_3_1">Disclosure of Dividends Declared and Paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock_lbl" xml:lang="en-US" id="id_10651532_1964490_1_1">Disclosure of Dividends Declared and Paid [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock_lbl" xml:lang="en-US" id="id_10651532_1964490_2_1">DIVIDENDS DECLARED PER SHARE</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock" xlink:to="utl_DisclosureOfDividendsDeclaredAndPaidTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture" xlink:label="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture_lbl" xml:lang="en-US" id="id_10651532_1822468_3_1">Disposal Group Including Discontinued Operations Tax Effect Of Gain On Divestiture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture_lbl" xml:lang="en-US" id="id_10651532_1822468_1_1">Disposal Group Including Discontinued Operations Tax Effect Of Gain On Divestiture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture_lbl" xml:lang="en-US" id="id_10651532_1822468_2_1">Provision for income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture" xlink:to="utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_DivestitureMember" xlink:label="utl_DivestitureMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DivestitureMember_lbl" xml:lang="en-US" id="id_10651532_1948112_3_1">Divestiture [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DivestitureMember_lbl" xml:lang="en-US" id="id_10651532_1948112_1_1">Divestiture [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DivestitureMember_lbl" xml:lang="en-US" id="id_10651532_1948112_2_1">Power Supply Contract Divestitures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_DivestitureMember" xlink:to="utl_DivestitureMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_DivestituresPolicyPolicyTextBlock" xlink:label="utl_DivestituresPolicyPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DivestituresPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_2003999_3_1">Divestitures Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DivestituresPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_2003999_1_1">Divestitures Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DivestituresPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_2003999_2_1">Divestiture of Non-Regulated Business Subsidiary</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_DivestituresPolicyPolicyTextBlock" xlink:to="utl_DivestituresPolicyPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember" xlink:label="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember_lbl" xml:lang="en-US" id="id_10651532_1902840_3_1">Dividend and Distribution Reinvestment and Share Purchase Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember_lbl" xml:lang="en-US" id="id_10651532_1902840_1_1">Dividend and Distribution Reinvestment and Share Purchase Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember_lbl" xml:lang="en-US" id="id_10651532_1902840_2_1">Dividend and Distribution Reinvestment and Share Purchase Plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember" xlink:to="utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xml:lang="en-US" id="id_10651532_1781025_1_1">Dividends Payable, Date to be Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xml:lang="en-US" id="id_10651532_1781025_2_1">Date Paid (Payable)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:to="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsAxis" xlink:label="us-gaap_DividendsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsAxis_lbl" xml:lang="en-US" id="id_10651532_1780981_1_1">Dividends [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsAxis_lbl" xml:lang="en-US" id="id_10651532_1780981_2_1">Dividends</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsAxis" xlink:to="us-gaap_DividendsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="us-gaap_DividendsCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsCommonStock_lbl" xml:lang="en-US" id="id_10651532_1782535_1_1">Dividends, Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DividendsCommonStock_lbl" xml:lang="en-US" id="id_10651532_1782535_14_1">Dividends on Common Shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStock" xlink:to="us-gaap_DividendsCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsDeclaredTableTextBlock" xlink:label="us-gaap_DividendsDeclaredTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsDeclaredTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1781028_1_1">Dividends Declared [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsDeclaredTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1781028_2_1">Schedule of Dividends Declared</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsDeclaredTableTextBlock" xlink:to="us-gaap_DividendsDeclaredTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsDomain" xlink:label="us-gaap_DividendsDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsDomain_lbl" xml:lang="en-US" id="id_10651532_1780720_1_1">Dividends [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsDomain_lbl" xml:lang="en-US" id="id_10651532_1780720_2_1">Dividends [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsDomain" xlink:to="us-gaap_DividendsDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPayableDateDeclaredDayMonthAndYear" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xml:lang="en-US" id="id_10651532_1780988_1_1">Dividends Payable, Date Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xml:lang="en-US" id="id_10651532_1780988_2_1">Declaration Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear" xlink:to="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xml:lang="en-US" id="id_10651532_1780722_1_1">Dividends Payable, Date of Record</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xml:lang="en-US" id="id_10651532_1780722_2_1">Shareholder of Record Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:to="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPayableLineItems" xlink:label="us-gaap_DividendsPayableLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableLineItems_lbl" xml:lang="en-US" id="id_10651532_1781030_1_1">Dividends Payable [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableLineItems_lbl" xml:lang="en-US" id="id_10651532_1781030_2_1">Dividends Payable [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableLineItems" xlink:to="us-gaap_DividendsPayableLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPayableTable" xlink:label="us-gaap_DividendsPayableTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableTable_lbl" xml:lang="en-US" id="id_10651532_1780991_1_1">Dividends Payable [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableTable_lbl" xml:lang="en-US" id="id_10651532_1780991_2_1">Dividends Payable [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableTable" xlink:to="us-gaap_DividendsPayableTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="us-gaap_DividendsPreferredStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPreferredStock_lbl" xml:lang="en-US" id="id_10651532_1781031_1_1">Dividends, Preferred Stock</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xml:lang="en-US" id="id_10651532_1782999_2_1">Fair Value Hierarchy and NAV [Domain]</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FairValueOfRestrictedStockUnitsSettledInCash" xlink:label="utl_FairValueOfRestrictedStockUnitsSettledInCash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FairValueOfRestrictedStockUnitsSettledInCash_lbl" xml:lang="en-US" id="id_10651532_1814266_3_1">Fair Value of Restricted Stock Units to be settled in cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FairValueOfRestrictedStockUnitsSettledInCash_lbl" xml:lang="en-US" id="id_10651532_1814266_1_1">Fair Value of Restricted Stock Units Settled in Cash</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FairValueOfRestrictedStockUnitsSettledInCash" xlink:to="utl_FairValueOfRestrictedStockUnitsSettledInCash_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FederalHomeLoanBanksAbstract" xlink:label="us-gaap_FederalHomeLoanBanksAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FederalHomeLoanBanksAbstract_lbl" xml:lang="en-US" id="id_10651532_1781839_1_1">Federal Home Loan Banks [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FederalHomeLoanBanksAbstract_lbl" xml:lang="en-US" id="id_10651532_1781839_2_1">Federal Home Loan Banks [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBanksAbstract" xlink:to="us-gaap_FederalHomeLoanBanksAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FinancingArrangementsMember" xlink:label="utl_FinancingArrangementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FinancingArrangementsMember_lbl" xml:lang="en-US" id="id_10651532_1946384_3_1">Financing Arrangements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FinancingArrangementsMember_lbl" xml:lang="en-US" id="id_10651532_1946384_1_1">Financing Arrangements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FinancingArrangementsMember_lbl" xml:lang="en-US" id="id_10651532_1946384_2_1">Financing Arrangements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FinancingArrangementsMember" xlink:to="utl_FinancingArrangementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember_lbl" xml:lang="en-US" id="id_10651532_1950029_3_1">First Mortgage Bonds Eight Point Four Nine Percent Senior Secured Notes Due October Fourteen Twenty Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember_lbl" xml:lang="en-US" id="id_10651532_1950029_1_1">First Mortgage Bonds Eight Point Four Nine Percent Senior Secured Notes Due October Fourteen Twenty Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember_lbl" xml:lang="en-US" id="id_10651532_1950029_2_1">First Mortgage Bonds 8.49% Senior Secured Notes, Due October 14, 2024</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember" xlink:to="utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_10651532_1918397_3_1">First Mortgage Bonds Eight Point Zero Zero Percent Senior Secured Notes Due May One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_10651532_1918397_1_1">First Mortgage Bonds Eight Point Zero Zero Percent Senior Secured Notes Due May One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_10651532_1918397_2_1">First Mortgage Bonds 8.00% Senior Secured Notes, Due May 1, 2031</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember" xlink:to="utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_10651532_1946650_3_1">First Mortgage Bonds Five Point Two Four Percent Senior Secured Notes Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_10651532_1946650_1_1">First Mortgage Bonds Five Point Two Four Percent Senior Secured Notes Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_10651532_1946650_2_1">First Mortgage Bonds 5.24% Senior Secured Notes, Due March 2, 2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember" xlink:to="utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember" xlink:label="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember_lbl" xml:lang="en-US" id="id_10651532_2001384_3_1">First Mortgage Bonds Four Point Eighteen Percent Senior Secured Notes Due November Thirty Twenty Forty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember_lbl" xml:lang="en-US" id="id_10651532_2001384_1_1">First Mortgage Bonds Four Point Eighteen Percent Senior Secured Notes Due November Thirty Twenty Forty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember_lbl" xml:lang="en-US" id="id_10651532_2001384_2_1">First Mortgage Bonds 4.18% Senior Secured Notes Due November 30, 2048</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember" xlink:to="utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember" xlink:label="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember_lbl" xml:lang="en-US" id="id_10651532_2001892_3_1">First mortgage bonds four point one eight percent due november thirty twenty forty eight.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember_lbl" xml:lang="en-US" id="id_10651532_2001892_1_1">First Mortgage Bonds Four Point One Eight Percent Due November Thirty Twenty Forty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember_lbl" xml:lang="en-US" id="id_10651532_2001892_2_1">4.18% First Mortgage Bonds, Due November 30, 2048</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember" xlink:to="utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember_lbl" xml:lang="en-US" id="id_10651532_1913185_3_1">First Mortgage Bonds Six Point Nine Six Percent Senior Secured Notes Due September One Twenty Twenty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember_lbl" xml:lang="en-US" id="id_10651532_1913185_1_1">First Mortgage Bonds Six Point Nine Six Percent Senior Secured Notes Due September One Twenty Twenty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember_lbl" xml:lang="en-US" id="id_10651532_1913185_2_1">First Mortgage Bonds 6.96% Senior Secured Notes, Due September 1, 2028</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember" xlink:to="utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember_lbl" xml:lang="en-US" id="id_10651532_1924646_3_1">First Mortgage Bonds Six Point Three Two Percent Senior Secured Notes Due September Fifteen Twenty Thirty Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember_lbl" xml:lang="en-US" id="id_10651532_1924646_1_1">First Mortgage Bonds Six Point Three Two Percent Senior Secured Notes Due September Fifteen Twenty Thirty Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember_lbl" xml:lang="en-US" id="id_10651532_1924646_2_1">First Mortgage Bonds 6.32% Senior Secured Notes, Due September 15, 2036</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember" xlink:to="utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_FitchburgGasAndElectricLightCompanyMember" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember_lbl" xml:lang="en-US" id="id_10651532_1901810_3_1">Fitchburg Gas and Electric Light Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember_lbl" xml:lang="en-US" id="id_10651532_1901810_1_1">Fitchburg Gas and Electric Light Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember_lbl" xml:lang="en-US" id="id_10651532_1901810_2_1">Fitchburg Gas and Electric Light Company</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FitchburgGasAndElectricLightCompanyMember" xlink:to="utl_FitchburgGasAndElectricLightCompanyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:label="us-gaap_FixedIncomeFundsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FixedIncomeFundsMember_lbl" xml:lang="en-US" id="id_10651532_1783838_1_1">Fixed Income Funds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FixedIncomeFundsMember_lbl" xml:lang="en-US" id="id_10651532_1783838_2_1">Fixed Income Funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedIncomeFundsMember" xlink:to="us-gaap_FixedIncomeFundsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfBusiness" xlink:label="us-gaap_GainLossOnSaleOfBusiness"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xml:lang="en-US" id="id_10651532_1783299_1_1">Gain (Loss) on Disposition of Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xml:lang="en-US" id="id_10651532_1783299_14_1">Gain on Divestiture, Net (See Note 1)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfBusiness" xlink:to="us-gaap_GainLossOnSaleOfBusiness_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GainOnDivestitureOfBusinessPretax" xlink:label="utl_GainOnDivestitureOfBusinessPretax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GainOnDivestitureOfBusinessPretax_lbl" xml:lang="en-US" id="id_10651532_2003997_3_1">Gain on divestiture of business pretax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GainOnDivestitureOfBusinessPretax_lbl" xml:lang="en-US" id="id_10651532_2003997_1_1">Gain On Divestiture Of Business Pretax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GainOnDivestitureOfBusinessPretax_lbl" xml:lang="en-US" id="id_10651532_2003997_2_1">Gain on divestiture of business, pretax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GainOnDivestitureOfBusinessPretax" xlink:to="utl_GainOnDivestitureOfBusinessPretax_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GasMember" xlink:label="utl_GasMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GasMember_lbl" xml:lang="en-US" id="id_10651532_1916311_3_1">Gas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GasMember_lbl" xml:lang="en-US" id="id_10651532_1916311_1_1">Gas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GasMember_lbl" xml:lang="en-US" id="id_10651532_1916311_2_1">Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GasMember" xlink:to="utl_GasMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GasPipelineRefundMember" xlink:label="utl_GasPipelineRefundMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GasPipelineRefundMember_lbl" xml:lang="en-US" id="id_10651532_1923534_3_1">Gas Pipeline Refund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GasPipelineRefundMember_lbl" xml:lang="en-US" id="id_10651532_1923534_1_1">Gas Pipeline Refund [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GasPipelineRefundMember_lbl" xml:lang="en-US" id="id_10651532_1923534_2_1">Gas Pipeline Refund</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GasRatePayersMember" xlink:label="utl_GasRatePayersMember"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GasSegmentMember_lbl" xml:lang="en-US" id="id_10651532_1914704_3_1">Gas Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GasSegmentMember_lbl" xml:lang="en-US" id="id_10651532_1914704_1_1">Gas Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GasSegmentMember_lbl" xml:lang="en-US" id="id_10651532_1914704_2_1">Gas Segment</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GraniteStateGasTransmissionIncMember" xlink:label="utl_GraniteStateGasTransmissionIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GraniteStateGasTransmissionIncMember_lbl" xml:lang="en-US" id="id_10651532_1954030_3_1">Granite State Gas Transmission Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GraniteStateGasTransmissionIncMember_lbl" xml:lang="en-US" id="id_10651532_1954030_1_1">Granite State Gas Transmission Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GraniteStateGasTransmissionIncMember_lbl" xml:lang="en-US" id="id_10651532_1954030_2_1">Granite State Gas Transmission Inc</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GroupFiveMember" xlink:label="utl_GroupFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupFiveMember_lbl" xml:lang="en-US" id="id_10651532_1931323_3_1">Group Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupFiveMember_lbl" xml:lang="en-US" id="id_10651532_1931323_1_1">Group Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupFiveMember_lbl" xml:lang="en-US" id="id_10651532_1931323_2_1">Group Five</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GroupFourMember" xlink:label="utl_GroupFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupFourMember_lbl" xml:lang="en-US" id="id_10651532_1929729_3_1">Group Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupFourMember_lbl" xml:lang="en-US" id="id_10651532_1929729_1_1">Group Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupFourMember_lbl" xml:lang="en-US" id="id_10651532_1929729_2_1">Group Four</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GroupOneMember" xlink:label="utl_GroupOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupOneMember_lbl" xml:lang="en-US" id="id_10651532_1907861_3_1">Group One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupOneMember_lbl" xml:lang="en-US" id="id_10651532_1907861_1_1">Group One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupOneMember_lbl" xml:lang="en-US" id="id_10651532_1907861_2_1">Group One</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupOneMember" xlink:to="utl_GroupOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GroupSixMember" xlink:label="utl_GroupSixMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupSixMember_lbl" xml:lang="en-US" id="id_10651532_1942109_3_1">Group Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupSixMember_lbl" xml:lang="en-US" id="id_10651532_1942109_1_1">Group Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupSixMember_lbl" xml:lang="en-US" id="id_10651532_1942109_2_1">Group Six</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupSixMember" xlink:to="utl_GroupSixMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GroupThreeMember" xlink:label="utl_GroupThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupThreeMember_lbl" xml:lang="en-US" id="id_10651532_1900913_3_1">Group Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupThreeMember_lbl" xml:lang="en-US" id="id_10651532_1900913_1_1">Group Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupThreeMember_lbl" xml:lang="en-US" id="id_10651532_1900913_2_1">Group Three</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupThreeMember" xlink:to="utl_GroupThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_GroupTwoMember" xlink:label="utl_GroupTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupTwoMember_lbl" xml:lang="en-US" id="id_10651532_1947042_3_1">Group Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupTwoMember_lbl" xml:lang="en-US" id="id_10651532_1947042_1_1">Group Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupTwoMember_lbl" xml:lang="en-US" id="id_10651532_1947042_2_1">Group Two</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupTwoMember" xlink:to="utl_GroupTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ImputedInterestOnOperatingLeases" xlink:label="utl_ImputedInterestOnOperatingLeases"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ImputedInterestOnOperatingLeases_lbl" xml:lang="en-US" id="id_10651532_2004152_3_1">Imputed Interest On Operating Leases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ImputedInterestOnOperatingLeases_lbl" xml:lang="en-US" id="id_10651532_2004152_1_1">Imputed Interest On Operating Leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ImputedInterestOnOperatingLeases_lbl" xml:lang="en-US" id="id_10651532_2004152_2_1">Less: Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ImputedInterestOnOperatingLeases" xlink:to="utl_ImputedInterestOnOperatingLeases_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xml:lang="en-US" id="id_10651532_1784763_1_1">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xml:lang="en-US" id="id_10651532_1784763_6_1">Income Before Income Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US" id="id_10651532_1784783_1_1">Income Statement [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US" id="id_10651532_1784783_2_1">Income Statement [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xml:lang="en-US" id="id_10651532_1784784_1_1">Income Tax Authority [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xml:lang="en-US" id="id_10651532_1784784_2_1">Income Tax Authority</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xml:lang="en-US" id="id_10651532_1784170_1_1">Income Tax Authority [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xml:lang="en-US" id="id_10651532_1784170_2_1">Income Tax Authority [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_IncomeTaxAuthorityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1784788_1_1">Income Tax Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xml:lang="en-US" id="id_10651532_1784788_2_1">Income Tax Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1782910_1_1">Income Tax Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1782910_2_1">INCOME TAXES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_IncomeTaxesLineItems" xlink:label="utl_IncomeTaxesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncomeTaxesLineItems_lbl" xml:lang="en-US" id="id_10651532_1800031_3_1">Income Taxes [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncomeTaxesLineItems_lbl" xml:lang="en-US" id="id_10651532_1800031_1_1">Income Taxes [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncomeTaxesLineItems_lbl" xml:lang="en-US" id="id_10651532_1800031_2_1">Income Taxes [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncomeTaxesLineItems" xlink:to="utl_IncomeTaxesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_IncomeTaxesMember" xlink:label="utl_IncomeTaxesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncomeTaxesMember_lbl" xml:lang="en-US" id="id_10651532_1908350_3_1">Income Taxes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncomeTaxesMember_lbl" xml:lang="en-US" id="id_10651532_1908350_1_1">Income Taxes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncomeTaxesMember_lbl" xml:lang="en-US" id="id_10651532_1908350_2_1">Income Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncomeTaxesMember" xlink:to="utl_IncomeTaxesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US" id="id_10651532_1782914_1_1">Income Taxes Paid, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US" id="id_10651532_1782914_2_1">Income Taxes Paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_IncomeTaxesTable" xlink:label="utl_IncomeTaxesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncomeTaxesTable_lbl" xml:lang="en-US" id="id_10651532_1894402_3_1">Income Taxes [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncomeTaxesTable_lbl" xml:lang="en-US" id="id_10651532_1894402_1_1">Income Taxes [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncomeTaxesTable_lbl" xml:lang="en-US" id="id_10651532_1894402_2_1">Income Taxes [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncomeTaxesTable" xlink:to="utl_IncomeTaxesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExaminationDescription" xlink:label="us-gaap_IncomeTaxExaminationDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExaminationDescription_lbl" xml:lang="en-US" id="id_10651532_1785290_1_1">Income Tax Examination, Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExaminationDescription_lbl" xml:lang="en-US" id="id_10651532_1785290_2_1">Tax examination description</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExaminationDescription" xlink:to="us-gaap_IncomeTaxExaminationDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_10651532_1784791_1_1">Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_10651532_1784791_2_1">Provision For Income Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1784183_1_1">Income Tax, Policy [Policy Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US" id="id_10651532_1782928_1_1">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xml:lang="en-US" id="id_10651532_1782928_2_1">Calculated federal current tax</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_IncomeTaxRelatedLiabilitiesMember" xlink:label="utl_IncomeTaxRelatedLiabilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncomeTaxRelatedLiabilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1951532_3_1">Income tax related liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncomeTaxRelatedLiabilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1951532_1_1">Income Tax Related Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncomeTaxRelatedLiabilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1951532_2_1">Income Tax Related Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncomeTaxRelatedLiabilitiesMember" xlink:to="utl_IncomeTaxRelatedLiabilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xml:lang="en-US" id="id_10651532_1784812_1_1">Increase (Decrease) in Accounts Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xml:lang="en-US" id="id_10651532_1784812_2_1">Accounts Payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US" id="id_10651532_1785315_1_1">Increase (Decrease) in Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US" id="id_10651532_1785315_14_1">Accounts Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerAsset_lbl" xml:lang="en-US" id="id_10651532_1785324_1_1">Increase (Decrease) in Contract with Customer, Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerAsset_lbl" xml:lang="en-US" id="id_10651532_1785324_14_1">Accrued Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_IncreaseDecreaseInGasInventoryFinancing" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing_lbl" xml:lang="en-US" id="id_10651532_1869563_3_1">The net change during the reporting period in exchange gas financing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing_lbl" xml:lang="en-US" id="id_10651532_1869563_1_1">Increase Decrease In Gas Inventory Financing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing_lbl" xml:lang="en-US" id="id_10651532_1869563_2_1">Net Decrease in Exchange Gas Financing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncreaseDecreaseInGasInventoryFinancing" xlink:to="utl_IncreaseDecreaseInGasInventoryFinancing_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_10651532_1783640_1_1">Increase (Decrease) in Operating Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_10651532_1783640_2_1">Changes in Working Capital Items:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_lbl" xml:lang="en-US" id="id_10651532_1784856_1_1">Increase (Decrease) in Other Current Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_lbl" xml:lang="en-US" id="id_10651532_1784856_14_1">Other Changes in Working Capital Items</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:to="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_10651532_1786011_1_1">Increase (Decrease) in Other Operating Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_10651532_1786011_14_1">Other, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="us-gaap_IncreaseDecreaseInReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInReceivables_lbl" xml:lang="en-US" id="id_10651532_1784869_1_1">Increase (Decrease) in Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInReceivables_lbl" xml:lang="en-US" id="id_10651532_1784869_14_1">Exchange Gas Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReceivables" xlink:to="us-gaap_IncreaseDecreaseInReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue_lbl" xml:lang="en-US" id="id_10651532_1786027_1_1">Increase (Decrease) in Regulatory Clause Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue_lbl" xml:lang="en-US" id="id_10651532_1786027_2_1">Increase (decrease) in annual revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue" xlink:to="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryLiabilities_lbl" xml:lang="en-US" id="id_10651532_1784870_1_1">Increase (Decrease) in Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryLiabilities_lbl" xml:lang="en-US" id="id_10651532_1784870_2_1">Regulatory Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:to="us-gaap_IncreaseDecreaseInRegulatoryLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_IncreaseInAnnualBaseRate" xlink:label="utl_IncreaseInAnnualBaseRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncreaseInAnnualBaseRate_lbl" xml:lang="en-US" id="id_10651532_1844702_3_1">Increase in annual base rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncreaseInAnnualBaseRate_lbl" xml:lang="en-US" id="id_10651532_1844702_1_1">Increase in Annual Base Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncreaseInAnnualBaseRate_lbl" xml:lang="en-US" id="id_10651532_1844702_2_1">Increase in annual base rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncreaseInAnnualBaseRate" xlink:to="utl_IncreaseInAnnualBaseRate_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_InfrastructureReplacementAdjustment" xlink:label="utl_InfrastructureReplacementAdjustment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_InfrastructureReplacementAdjustment_lbl" xml:lang="en-US" id="id_10651532_1825618_3_1">Infrastructure replacement adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_InfrastructureReplacementAdjustment_lbl" xml:lang="en-US" id="id_10651532_1825618_1_1">Infrastructure Replacement Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_InfrastructureReplacementAdjustment_lbl" xml:lang="en-US" id="id_10651532_1825618_2_1">Annual TIRA Adjustment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_InfrastructureReplacementAdjustment" xlink:to="utl_InfrastructureReplacementAdjustment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xml:lang="en-US" id="id_10651532_1785034_1_1">Interest Income (Expense), Nonoperating, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl" xml:lang="en-US" id="id_10651532_1785034_14_1">Interest Expense, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:to="us-gaap_InterestIncomeExpenseNonoperatingNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="id_10651532_1786139_1_1">Interest Paid, Excluding Capitalized Interest, Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="id_10651532_1786139_2_1">Interest Paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US" id="id_10651532_1786140_1_1">Interest Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US" id="id_10651532_1786140_2_1">Interest Payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1785662_1_1">Inventory, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1785662_2_1">Gas Inventory</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryRawMaterialsAndSupplies" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xml:lang="en-US" id="id_10651532_1786175_1_1">Inventory, Raw Materials and Supplies, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xml:lang="en-US" id="id_10651532_1786175_2_1">Materials and Supplies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterialsAndSupplies" xlink:to="us-gaap_InventoryRawMaterialsAndSupplies_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1786917_1_1">Investment Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1786917_2_1">Summary of Investments, Other than Investments in Related Parties, by Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xml:lang="en-US" id="id_10651532_1784537_1_1">Investments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xml:lang="en-US" id="id_10651532_1784537_2_1">Investments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xml:lang="en-US" id="id_10651532_1786954_1_1">Operating Leases, Rent Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xml:lang="en-US" id="id_10651532_1786954_2_1">Total rental expense under operating leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="us-gaap_LeaseArrangementTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseArrangementTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1785858_1_1">Lease Arrangement, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LeaseArrangementTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1785858_2_1">Lease Arrangement, Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseArrangementTypeAxis" xlink:to="us-gaap_LeaseArrangementTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="us-gaap_LeaseArrangementTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseArrangementTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1786955_1_1">Lease Arrangement, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LeaseArrangementTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1786955_2_1">Lease Arrangement, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseArrangementTypeDomain" xlink:to="us-gaap_LeaseArrangementTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LeaseAssets" xlink:label="utl_LeaseAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LeaseAssets_lbl" xml:lang="en-US" id="id_10651532_2001889_3_1">Lease assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LeaseAssets_lbl" xml:lang="en-US" id="id_10651532_2001889_1_1">Lease Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LeaseAssets_lbl" xml:lang="en-US" id="id_10651532_2001889_2_1">Recognition of lease assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LeaseAssets" xlink:to="utl_LeaseAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LeaseLiabilities" xlink:label="utl_LeaseLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LeaseLiabilities_lbl" xml:lang="en-US" id="id_10651532_2001890_3_1">Lease liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LeaseLiabilities_lbl" xml:lang="en-US" id="id_10651532_2001890_1_1">Lease Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LeaseLiabilities_lbl" xml:lang="en-US" id="id_10651532_2001890_2_1">Recognition of lease liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LeaseLiabilities" xlink:to="utl_LeaseLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LeaseObligation" xlink:label="utl_LeaseObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LeaseObligation_lbl" xml:lang="en-US" id="id_10651532_2004002_3_1">Lease obligation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LeaseObligation_lbl" xml:lang="en-US" id="id_10651532_2004002_1_1">Lease Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LeaseObligation_lbl" xml:lang="en-US" id="id_10651532_2004002_2_1">Total Lease Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LeaseObligation" xlink:to="utl_LeaseObligation_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LeasesFutureMinimumPaymentsLineItems" xlink:label="utl_LeasesFutureMinimumPaymentsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LeasesFutureMinimumPaymentsLineItems_lbl" xml:lang="en-US" id="id_10651532_1799003_3_1">Leases Future Minimum Payments [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LeasesFutureMinimumPaymentsLineItems_lbl" xml:lang="en-US" id="id_10651532_1799003_1_1">Leases Future Minimum Payments [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LeasesFutureMinimumPaymentsLineItems_lbl" xml:lang="en-US" id="id_10651532_1799003_2_1">Leases Future Minimum Payments [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LeasesFutureMinimumPaymentsLineItems" xlink:to="utl_LeasesFutureMinimumPaymentsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LeasesFutureMinimumPaymentsTable" xlink:label="utl_LeasesFutureMinimumPaymentsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LeasesFutureMinimumPaymentsTable_lbl" xml:lang="en-US" id="id_10651532_1893226_3_1">Leases Future Minimum Payments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LeasesFutureMinimumPaymentsTable_lbl" xml:lang="en-US" id="id_10651532_1893226_1_1">Leases Future Minimum Payments [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LeasesFutureMinimumPaymentsTable_lbl" xml:lang="en-US" id="id_10651532_1893226_2_1">Leases Future Minimum Payments [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LeasesFutureMinimumPaymentsTable" xlink:to="utl_LeasesFutureMinimumPaymentsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_10651532_1784583_1_1">Legal Entity [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_10651532_1784583_2_1">Legal Entity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LengthOfPipeline" xlink:label="utl_LengthOfPipeline"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LengthOfPipeline_lbl" xml:lang="en-US" id="id_10651532_1990467_3_1">Length of natural gas transmission pipeline.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LengthOfPipeline_lbl" xml:lang="en-US" id="id_10651532_1990467_1_1">Length Of Pipeline</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LengthOfPipeline_lbl" xml:lang="en-US" id="id_10651532_1990467_2_1">Length Of Pipeline</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LengthOfPipeline" xlink:to="utl_LengthOfPipeline_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeLeasesPolicyTextBlock" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1786979_1_1">Lessee, Leases [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1786979_2_1">Leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeLeasesPolicyTextBlock" xlink:to="us-gaap_LesseeLeasesPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xml:lang="en-US" id="id_10651532_1784606_1_1">Lessee, Operating Lease, Term of Contract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xml:lang="en-US" id="id_10651532_1784606_2_1">Lease term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseTermOfContract" xlink:to="us-gaap_LesseeOperatingLeaseTermOfContract_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1869743_3_1">Corporate guarantees on energy and natural gas storage management contracts entered into by the Company's distribution utilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1869743_1_1">Letter Of Credit Facility And Bank Guarantees Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1869743_2_1">Guarantee outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding" xlink:to="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_10651532_1785942_1_1">Liabilities and Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_10651532_1785942_6_1">TOTAL LIABILITIES AND CAPITALIZATION</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_10651532_1784651_1_1">Liabilities and Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_10651532_1784651_2_1">LIABILITIES AND CAPITALIZATION:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_10651532_1786507_1_1">Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_10651532_1786507_6_1">Total Current Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1785944_1_1">Liabilities, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1785944_2_1">Current Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1787042_1_1">Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1787042_6_1">Total Noncurrent Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1784657_1_1">Liabilities, Noncurrent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US" id="id_10651532_1784657_2_1">Noncurrent Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xml:lang="en-US" id="id_10651532_1787794_1_1">Line of Credit Facility, Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xml:lang="en-US" id="id_10651532_1787794_2_1">Revolving credit facility termination date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xml:lang="en-US" id="id_10651532_1786696_1_1">Line of Credit Facility, Increase (Decrease), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xml:lang="en-US" id="id_10651532_1786696_2_1">Increase in borrowing limit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet" xlink:to="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xml:lang="en-US" id="id_10651532_1785407_1_1">Line of Credit Facility [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xml:lang="en-US" id="id_10651532_1785407_2_1">Line of Credit Facility [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_10651532_1787797_1_1">Line of Credit Facility, Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_10651532_1787797_2_1">Revolving credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_10651532_1787797_12_1">Revolving credit facility, limit</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_10651532_1787321_1_1">Long-term Debt</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US" id="id_10651532_1787330_2_1">Less: Current Portion</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="id_10651532_1786788_1_1">Long-term Debt, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="id_10651532_1786788_2_1">Estimated Fair Value of Long-Term Debt</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1787889_1_1">Long-term Debt, Excluding Current Maturities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1787889_12_1">Total Long-Term Debt, Less Current Portion</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_10651532_1787908_1_1">Loss Contingency Nature [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_10651532_1787908_2_1">Loss Contingency Nature</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_10651532_1786826_1_1">Loss Contingency, Nature [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_10651532_1786826_2_1">Loss Contingency, Nature [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MajorCustomersAxis" xlink:label="srt_MajorCustomersAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MajorCustomersAxis_lbl" xml:lang="en-US" id="id_10651532_1786839_1_1">Customer [Axis]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MajorCustomersAxis" xlink:to="srt_MajorCustomersAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xml:lang="en-US" id="id_10651532_1787525_1_1">Marketable Securities, Policy [Policy Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesTextBlock_lbl" xml:lang="en-US" id="id_10651532_1788618_1_1">Marketable Securities [Table Text Block]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesTextBlock" xlink:to="us-gaap_MarketableSecuritiesTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US" id="id_10651532_1786251_1_1">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US" id="id_10651532_1786251_2_1">Maximum</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_ME" xlink:label="stpr_ME"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="stpr_ME_lbl" xml:lang="en-US" id="id_10651532_1788630_1_1">MAINE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="stpr_ME_lbl" xml:lang="en-US" id="id_10651532_1788630_2_1">Maine</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US" id="id_10651532_1788661_1_1">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US" id="id_10651532_1788661_2_1">Minimum</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xml:lang="en-US" id="id_10651532_1788676_1_1">Money Market Funds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xml:lang="en-US" id="id_10651532_1788676_2_1">Money Market Funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MoneyMarketFundsMember" xlink:to="us-gaap_MoneyMarketFundsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="srt_NameOfMajorCustomerDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xml:lang="en-US" id="id_10651532_1786377_1_1">Customer [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xml:lang="en-US" id="id_10651532_1786377_2_1">Customer [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_NameOfMajorCustomerDomain" xlink:to="srt_NameOfMajorCustomerDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_NaturalGasLiquidsReservesMember" xlink:label="srt_NaturalGasLiquidsReservesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_NaturalGasLiquidsReservesMember_lbl" xml:lang="en-US" id="id_10651532_1788743_1_1">Natural Gas Liquids [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_NaturalGasLiquidsReservesMember_lbl" xml:lang="en-US" id="id_10651532_1788743_2_1">Liquefied Natural Gas &amp; Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_NaturalGasLiquidsReservesMember" xlink:to="srt_NaturalGasLiquidsReservesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NatureOfOperationsPolicyTextBlock" xlink:label="utl_NatureOfOperationsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NatureOfOperationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1968589_3_1">Description of the Company and its subsidiaries businesses.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NatureOfOperationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1968589_2_1">Nature of Operations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US" id="id_10651532_1787655_6_1">Cash (Used in) Financing Activities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1788763_1_1">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1788763_2_1">Financing Activities:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US" id="id_10651532_1786398_6_1">Cash Provided by (Used in) Investing Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1788765_1_1">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1788765_2_1">Investing Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="id_10651532_1788766_1_1">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="id_10651532_1788766_6_1">Cash Provided by Operating Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1786400_1_1">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_10651532_1786400_2_1">Operating Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NetGainOnDivestitureOfBusiness" xlink:label="utl_NetGainOnDivestitureOfBusiness"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NetGainOnDivestitureOfBusiness_lbl" xml:lang="en-US" id="id_10651532_2003998_3_1">Net gain on divestiture of business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NetGainOnDivestitureOfBusiness_lbl" xml:lang="en-US" id="id_10651532_2003998_1_1">Net Gain On Divestiture Of Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NetGainOnDivestitureOfBusiness_lbl" xml:lang="en-US" id="id_10651532_2003998_2_1">Gain on divestiture of business, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NetGainOnDivestitureOfBusiness" xlink:to="utl_NetGainOnDivestitureOfBusiness_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_10651532_1788770_1_1">Net Income (Loss) Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_10651532_1788770_2_1">Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_10651532_1788770_6_1">Net Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_10651532_1788225_1_1">Net Income (Loss) Available to Common Stockholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_10651532_1788225_2_1">Segment Profit (Loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NetOperatingLossCarryforwardAssetsMember" xlink:label="utl_NetOperatingLossCarryforwardAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NetOperatingLossCarryforwardAssetsMember_lbl" xml:lang="en-US" id="id_10651532_2003001_3_1">Net operating loss carryforward assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NetOperatingLossCarryforwardAssetsMember_lbl" xml:lang="en-US" id="id_10651532_2003001_1_1">Net Operating Loss Carryforward Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NetOperatingLossCarryforwardAssetsMember_lbl" xml:lang="en-US" id="id_10651532_2003001_2_1">Net Operating Loss Carryforward Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NetOperatingLossCarryforwardAssetsMember" xlink:to="utl_NetOperatingLossCarryforwardAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NetOperatingLossCarryforwardsExpirationYear" xlink:label="utl_NetOperatingLossCarryforwardsExpirationYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NetOperatingLossCarryforwardsExpirationYear_lbl" xml:lang="en-US" id="id_10651532_1880698_3_1">Net Operating Loss Carryforwards, Expiration Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NetOperatingLossCarryforwardsExpirationYear_lbl" xml:lang="en-US" id="id_10651532_1880698_1_1">Net Operating Loss Carryforwards, Expiration Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NetOperatingLossCarryforwardsExpirationYear_lbl" xml:lang="en-US" id="id_10651532_1880698_2_1">NOL carryforward assets expiration date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NetOperatingLossCarryforwardsExpirationYear" xlink:to="utl_NetOperatingLossCarryforwardsExpirationYear_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NewEnglandMember" xlink:label="utl_NewEnglandMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NewEnglandMember_lbl" xml:lang="en-US" id="id_10651532_1952951_3_1">New England [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NewEnglandMember_lbl" xml:lang="en-US" id="id_10651532_1952951_1_1">New England [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NewEnglandMember_lbl" xml:lang="en-US" id="id_10651532_1952951_2_1">ISO-NE Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NewEnglandMember" xlink:to="utl_NewEnglandMember_lbl"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_NH" xlink:label="stpr_NH"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="stpr_NH_lbl" xml:lang="en-US" id="id_10651532_1788794_1_1">NEW HAMPSHIRE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="stpr_NH_lbl" xml:lang="en-US" id="id_10651532_1788794_2_1">New Hampshire</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="stpr_NH" xlink:to="stpr_NH_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NoncashInvestingActivityAbstract" xlink:label="utl_NoncashInvestingActivityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NoncashInvestingActivityAbstract_lbl" xml:lang="en-US" id="id_10651532_1800536_3_1">Noncash Investing Activity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NoncashInvestingActivityAbstract_lbl" xml:lang="en-US" id="id_10651532_1800536_1_1">Noncash Investing Activity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NoncashInvestingActivityAbstract_lbl" xml:lang="en-US" id="id_10651532_1800536_2_1">Non-cash Investing Activity:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NoncashInvestingActivityAbstract" xlink:to="utl_NoncashInvestingActivityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NorthernUtilitiesIncMember" xlink:label="utl_NorthernUtilitiesIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NorthernUtilitiesIncMember_lbl" xml:lang="en-US" id="id_10651532_1913912_3_1">Northern Utilities Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NorthernUtilitiesIncMember_lbl" xml:lang="en-US" id="id_10651532_1913912_1_1">Northern Utilities Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NorthernUtilitiesIncMember_lbl" xml:lang="en-US" id="id_10651532_1913912_2_1">Northern Utilities Inc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NorthernUtilitiesIncMember" xlink:to="utl_NorthernUtilitiesIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_NumberOfSubsidiaries" xlink:label="utl_NumberOfSubsidiaries"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NumberOfSubsidiaries_lbl" xml:lang="en-US" id="id_10651532_1882268_3_1">Number of Subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NumberOfSubsidiaries_lbl" xml:lang="en-US" id="id_10651532_1882268_1_1">Number of Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NumberOfSubsidiaries_lbl" xml:lang="en-US" id="id_10651532_1882268_2_1">Number of Subsidiaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NumberOfSubsidiaries" xlink:to="utl_NumberOfSubsidiaries_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ObligationsMember" xlink:label="us-gaap_ObligationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ObligationsMember_lbl" xml:lang="en-US" id="id_10651532_1788308_1_1">Obligations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ObligationsMember_lbl" xml:lang="en-US" id="id_10651532_1788308_2_1">Exchange Gas Obligation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ObligationsMember" xlink:to="us-gaap_ObligationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_OffshoreEnergyMember" xlink:label="utl_OffshoreEnergyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_OffshoreEnergyMember_lbl" xml:lang="en-US" id="id_10651532_1913742_3_1">Offshore Energy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OffshoreEnergyMember_lbl" xml:lang="en-US" id="id_10651532_1913742_1_1">Offshore Energy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_OffshoreEnergyMember_lbl" xml:lang="en-US" id="id_10651532_1913742_2_1">Offshore Wind Energy</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_OffshoreEnergyMember" xlink:to="utl_OffshoreEnergyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" id="id_10651532_1787193_1_1">Operating Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" id="id_10651532_1787193_2_1">Operating Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_10651532_1789540_1_1">Operating Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_10651532_1789540_6_1">Operating Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xml:lang="en-US" id="id_10651532_1788350_1_1">Operating Lease Liabilities, Payments Due [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl" xml:lang="en-US" id="id_10651532_1788350_2_1">Operating Lease Obligations:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xml:lang="en-US" id="id_10651532_1787195_1_1">Operating Lease, Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xml:lang="en-US" id="id_10651532_1787195_2_1">Total Operating Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xml:lang="en-US" id="id_10651532_1787195_6_1">Amount of Lease Obligations Recorded on Consolidated Balance Sheets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xml:lang="en-US" id="id_10651532_1788446_1_1">Operating Lease, Liability, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xml:lang="en-US" id="id_10651532_1788446_2_1">Current operating lease obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl" xml:lang="en-US" id="id_10651532_1788446_12_1">Other Current Liabilities (current portion)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788447_1_1">Operating Lease, Liability, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788447_2_1">Non-current operating lease obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788447_12_1">Other Noncurrent Liabilities (long-term portion)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="us-gaap_OperatingLeasePayments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasePayments_lbl" xml:lang="en-US" id="id_10651532_1789547_1_1">Operating Lease, Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasePayments_lbl" xml:lang="en-US" id="id_10651532_1789547_2_1">Operating lease obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasePayments" xlink:to="us-gaap_OperatingLeasePayments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xml:lang="en-US" id="id_10651532_1788448_1_1">Operating Lease, Right-of-Use Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl" xml:lang="en-US" id="id_10651532_1788448_2_1">Operating Lease Right of Use Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_10651532_1788449_1_1">Operating Leases, Future Minimum Payments Due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_10651532_1788449_6_1">Total Payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xml:lang="en-US" id="id_10651532_1787200_1_1">Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xml:lang="en-US" id="id_10651532_1787200_2_1">Operating leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_10651532_1789548_1_1">Operating Leases, Future Minimum Payments Due, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_10651532_1789548_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_10651532_1789549_1_1">Operating Leases, Future Minimum Payments, Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_10651532_1789549_2_1">2023</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_10651532_1789551_1_1">Operating Leases, Future Minimum Payments, Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_10651532_1789551_2_1">2022</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_10651532_1787207_1_1">Operating Leases, Future Minimum Payments, Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_10651532_1787207_2_1">2021</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_10651532_1788452_1_1">Operating Leases, Future Minimum Payments, Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_10651532_1788452_2_1">2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_10651532_1788355_1_1">Operating Leases, Future Minimum Payments, Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_10651532_1788355_2_1">2024-2028</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US" id="id_10651532_1789558_1_1">Operating Leases, Future Minimum Payments, Remainder of Fiscal Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US" id="id_10651532_1789558_2_1">Rest of 2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xml:lang="en-US" id="id_10651532_1789563_1_1">Operating Lease, Weighted Average Discount Rate, Percent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl" xml:lang="en-US" id="id_10651532_1789563_2_1">Operating lease, weighted average discount rate percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xml:lang="en-US" id="id_10651532_1788366_1_1">Operating Lease, Weighted Average Remaining Lease Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl" xml:lang="en-US" id="id_10651532_1788366_2_1">Operating lease, weighted average remaining lease term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_OperatingRevenuesLineItems" xlink:label="utl_OperatingRevenuesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_OperatingRevenuesLineItems_lbl" xml:lang="en-US" id="id_10651532_1805731_3_1">Operating revenues.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OperatingRevenuesLineItems_lbl" xml:lang="en-US" id="id_10651532_1805731_1_1">Operating Revenues [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_OperatingRevenuesLineItems_lbl" xml:lang="en-US" id="id_10651532_1805731_2_1">Operating Revenues [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_OperatingRevenuesLineItems" xlink:to="utl_OperatingRevenuesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_OperatingRevenueTable" xlink:label="utl_OperatingRevenueTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_OperatingRevenueTable_lbl" xml:lang="en-US" id="id_10651532_1893676_3_1">Operating Revenue [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OperatingRevenueTable_lbl" xml:lang="en-US" id="id_10651532_1893676_1_1">Operating Revenue [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_OperatingRevenueTable_lbl" xml:lang="en-US" id="id_10651532_1893676_2_1">Operating Revenue [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_OperatingRevenueTable" xlink:to="utl_OperatingRevenueTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_Other1Member" xlink:label="utl_Other1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_Other1Member_lbl" xml:lang="en-US" id="id_10651532_1945675_3_1">Other 1.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_Other1Member_lbl" xml:lang="en-US" id="id_10651532_1945675_1_1">Other 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_Other1Member_lbl" xml:lang="en-US" id="id_10651532_1945675_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_Other1Member" xlink:to="utl_Other1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788478_1_1">Other Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788478_2_1">Other Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_OtherCustomerMember" xlink:label="utl_OtherCustomerMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_OtherCustomerMember_lbl" xml:lang="en-US" id="id_10651532_1914307_3_1">Other customer.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OtherCustomerMember_lbl" xml:lang="en-US" id="id_10651532_1914307_1_1">Other Customer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_OtherCustomerMember_lbl" xml:lang="en-US" id="id_10651532_1914307_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_OtherCustomerMember" xlink:to="utl_OtherCustomerMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_OtherDeferredChargesMember" xlink:label="utl_OtherDeferredChargesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_OtherDeferredChargesMember_lbl" xml:lang="en-US" id="id_10651532_2001886_3_1">Other deferred charges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OtherDeferredChargesMember_lbl" xml:lang="en-US" id="id_10651532_2001886_1_1">Other Deferred Charges [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_OtherDeferredChargesMember_lbl" xml:lang="en-US" id="id_10651532_2001886_2_1">Other Deferred Charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_OtherDeferredChargesMember" xlink:to="utl_OtherDeferredChargesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_10651532_1787976_1_1">Other Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_10651532_1787976_2_1">Other Current Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesCurrent" xlink:to="us-gaap_OtherLiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="us-gaap_OtherLiabilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1790310_1_1">Other Liabilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1790310_2_1">Other Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesMember" xlink:to="us-gaap_OtherLiabilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1789232_1_1">Other Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1789232_2_1">Other Noncurrent Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_10651532_1789141_1_1">Other Nonoperating Income (Expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_10651532_1789141_14_1">Other (Income) Expense, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1789251_1_1">Other Postretirement Benefits Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1789251_2_1">Other Postretirement Benefit Plans, Defined Benefit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:to="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="us-gaap_OtherReceivablesNetCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xml:lang="en-US" id="id_10651532_1790336_1_1">Other Receivables, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xml:lang="en-US" id="id_10651532_1790336_2_1">Exchange Gas Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xml:lang="en-US" id="id_10651532_1790336_12_1">Total Exchange Gas Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivablesNetCurrent" xlink:to="us-gaap_OtherReceivablesNetCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_OtherSubsidiariesMember" xlink:label="utl_OtherSubsidiariesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_OtherSubsidiariesMember_lbl" xml:lang="en-US" id="id_10651532_1940560_3_1">Other Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OtherSubsidiariesMember_lbl" xml:lang="en-US" id="id_10651532_1940560_1_1">Other Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_OtherSubsidiariesMember_lbl" xml:lang="en-US" id="id_10651532_1940560_2_1">Unitil Service; Unitil Realty; and Unitil Resources</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_OtherSubsidiariesMember" xlink:to="utl_OtherSubsidiariesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividends_lbl" xml:lang="en-US" id="id_10651532_1788127_1_1">Payments of Dividends</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividends_lbl" xml:lang="en-US" id="id_10651532_1788127_14_1">Dividends Paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_10651532_1789388_1_1">Payments to Acquire Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_10651532_1789388_2_1">Capital Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_10651532_1789388_14_1">Property, Plant and Equipment Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788815_1_1">Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1788815_2_1">Retirement Benefit Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent" xlink:to="us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1790486_1_1">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1790486_2_1">RETIREMENT BENEFIT OBLIGATIONS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember" xlink:label="us-gaap_PensionPlansDefinedBenefitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1788822_1_1">Pension Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1788822_2_1">Pension Plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionPlansDefinedBenefitMember" xlink:to="us-gaap_PensionPlansDefinedBenefitMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled_lbl" xml:lang="en-US" id="id_10651532_1981255_3_1">Percentage of fully-vested restricted stock units that Directors will receive in cash when settled.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled_lbl" xml:lang="en-US" id="id_10651532_1981255_1_1">Percentage of Fully Vested Restricted Stock Units That Directors will Receive in Cash when Settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled_lbl" xml:lang="en-US" id="id_10651532_1981255_2_1">Percentage of fully-vested restricted stock units that directors will receive in cash when settled</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled" xlink:to="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled_lbl" xml:lang="en-US" id="id_10651532_1977480_3_1">Percentage of fully-vested restricted stock units that Directors will receive in common shares when settled.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled_lbl" xml:lang="en-US" id="id_10651532_1977480_1_1">Percentage of Fully Vested Restricted Stock Units That Directors will Receive in Common Shares when Settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled_lbl" xml:lang="en-US" id="id_10651532_1977480_2_1">Percentage of fully-vested restricted stock units that directors will receive in common shares when settled</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled" xlink:to="utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PeriodFiveMember" xlink:label="utl_PeriodFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PeriodFiveMember_lbl" xml:lang="en-US" id="id_10651532_1923305_3_1">Period 5 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PeriodFiveMember_lbl" xml:lang="en-US" id="id_10651532_1923305_1_1">Period 5 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PeriodFiveMember_lbl" xml:lang="en-US" id="id_10651532_1923305_2_1">Recovered over the next seven years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PeriodFiveMember" xlink:to="utl_PeriodFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PeriodTypeAxis" xlink:label="utl_PeriodTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PeriodTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1894656_3_1">Period Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PeriodTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1894656_1_1">Period Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PeriodTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1894656_2_1">Period Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PeriodTypeAxis" xlink:to="utl_PeriodTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PeriodTypeDomain" xlink:label="utl_PeriodTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PeriodTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1913442_3_1">Period Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PeriodTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1913442_1_1">Period Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PeriodTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1913442_2_1">Period Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PeriodTypeDomain" xlink:to="utl_PeriodTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PermanentAdjustmentForRateIncrease" xlink:label="utl_PermanentAdjustmentForRateIncrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PermanentAdjustmentForRateIncrease_lbl" xml:lang="en-US" id="id_10651532_1822909_3_1">Permanent adjustment for rate increase.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PermanentAdjustmentForRateIncrease_lbl" xml:lang="en-US" id="id_10651532_1822909_1_1">Permanent Adjustment for Rate Increase</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PermanentAdjustmentForRateIncrease_lbl" xml:lang="en-US" id="id_10651532_1822909_2_1">Permanent rate increase</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PermanentAdjustmentForRateIncrease" xlink:to="utl_PermanentAdjustmentForRateIncrease_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PostretirementBenefitMember" xlink:label="utl_PostretirementBenefitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PostretirementBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1952730_3_1">Postretirement Benefit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PostretirementBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1952730_1_1">Postretirement Benefit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PostretirementBenefitMember_lbl" xml:lang="en-US" id="id_10651532_1952730_2_1">Retirement Benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PostretirementBenefitMember" xlink:to="utl_PostretirementBenefitMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PowerGenerationCapacity" xlink:label="utl_PowerGenerationCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PowerGenerationCapacity_lbl" xml:lang="en-US" id="id_10651532_1990381_3_1">Power Generation Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PowerGenerationCapacity_lbl" xml:lang="en-US" id="id_10651532_1990381_1_1">Power Generation Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PowerGenerationCapacity_lbl" xml:lang="en-US" id="id_10651532_1990381_2_1">Power generation capacity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PowerGenerationCapacity" xlink:to="utl_PowerGenerationCapacity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US" id="id_10651532_1790130_1_1">Preferred Stock, Dividend Rate, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US" id="id_10651532_1790130_2_1">Dividend rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendRatePercentage" xlink:to="us-gaap_PreferredStockDividendRatePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1790016_1_1">Preferred Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="id_10651532_1790016_2_1">Preferred stock, outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US" id="id_10651532_1790142_1_1">Preferred Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US" id="id_10651532_1790142_2_1">Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US" id="id_10651532_1791239_1_1">Prepaid Expense and Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US" id="id_10651532_1791239_2_1">Prepayments and Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssets" xlink:to="us-gaap_PrepaidExpenseAndOtherAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_10651532_1790731_1_1">Proceeds from Divestiture of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_10651532_1790731_2_1">Proceeds from Divestiture, Net (See Note 1)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="id_10651532_1790738_1_1">Proceeds from Issuance of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="id_10651532_1790738_2_1">Proceeds from Issuance of Common Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US" id="id_10651532_1791290_1_1">Proceeds from Lines of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US" id="id_10651532_1791290_2_1">Proceeds from lines of credit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLinesOfCredit" xlink:to="us-gaap_ProceedsFromLinesOfCredit_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations" xlink:label="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1840602_3_1">Proceeds from (Repayments of) Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1840602_1_1">Proceeds from (Repayments of) Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_10651532_1840602_2_1">Decrease in Capital Lease Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations" xlink:to="utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xml:lang="en-US" id="id_10651532_1789671_1_1">Proceeds from (Repayments of) Short-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xml:lang="en-US" id="id_10651532_1789671_2_1">(Repayment of) Proceeds from Short-Term Debt, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductOrServiceAxis_lbl" xml:lang="en-US" id="id_10651532_1790804_1_1">Product and Service [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_ProductOrServiceAxis_lbl" xml:lang="en-US" id="id_10651532_1790804_2_1">Product and Service [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductsAndServicesDomain_lbl" xml:lang="en-US" id="id_10651532_1790805_1_1">Product and Service [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_ProductsAndServicesDomain_lbl" xml:lang="en-US" id="id_10651532_1790805_2_1">Product and Service [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_10651532_1789725_1_1">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_10651532_1789725_2_1">Net Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1790955_1_1">Property, Plant and Equipment, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1790955_2_1">Property, Plant and Equipment, Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1790960_1_1">Property, Plant and Equipment, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1790960_2_1">Utility Plant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1792039_1_1">Property, Plant and Equipment, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1792039_2_1">Property, Plant and Equipment, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:label="us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage_lbl" xml:lang="en-US" id="id_10651532_1790983_1_1">Public Utilities, Approved Debt Capital Structure, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage_lbl" xml:lang="en-US" id="id_10651532_1790983_2_1">Percentage of approved return on equity, reflecting on debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:to="us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage" xlink:label="us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_lbl" xml:lang="en-US" id="id_10651532_1790984_1_1">Public Utilities, Approved Equity Capital Structure, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_lbl" xml:lang="en-US" id="id_10651532_1790984_2_1">Percentage of approved return on equity, reflecting on equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage" xlink:to="us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate" xlink:label="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate_lbl" xml:lang="en-US" id="id_10651532_1879597_3_1">Public utilities approved rate increase decrease effective date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate_lbl" xml:lang="en-US" id="id_10651532_1879597_1_1">Public Utilities Approved Rate Increase Decrease Effective Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate_lbl" xml:lang="en-US" id="id_10651532_1879597_2_1">Amendment effective date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate" xlink:to="utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage" xlink:label="us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_lbl" xml:lang="en-US" id="id_10651532_1790986_1_1">Public Utilities, Approved Return on Equity, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_lbl" xml:lang="en-US" id="id_10651532_1790986_2_1">Percentage of approved return on equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage" xlink:to="us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792061_1_1">Public Utilities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792061_2_1">REGULATORY MATTERS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:to="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryAxis" xlink:label="us-gaap_PublicUtilitiesInventoryAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesInventoryAxis_lbl" xml:lang="en-US" id="id_10651532_1792064_1_1">Inventory [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesInventoryAxis_lbl" xml:lang="en-US" id="id_10651532_1792064_2_1">Inventory [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesInventoryAxis" xlink:to="us-gaap_PublicUtilitiesInventoryAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryLineItems" xlink:label="us-gaap_PublicUtilitiesInventoryLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesInventoryLineItems_lbl" xml:lang="en-US" id="id_10651532_1790848_1_1">Public Utilities, Inventory [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesInventoryLineItems_lbl" xml:lang="en-US" id="id_10651532_1790848_2_1">Public Utilities, Inventory [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesInventoryLineItems" xlink:to="us-gaap_PublicUtilitiesInventoryLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryNaturalGasMember" xlink:label="us-gaap_PublicUtilitiesInventoryNaturalGasMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesInventoryNaturalGasMember_lbl" xml:lang="en-US" id="id_10651532_1790995_1_1">Public Utilities, Inventory, Natural Gas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesInventoryNaturalGasMember_lbl" xml:lang="en-US" id="id_10651532_1790995_2_1">Natural Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesInventoryNaturalGasMember" xlink:to="us-gaap_PublicUtilitiesInventoryNaturalGasMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryPropaneMember" xlink:label="us-gaap_PublicUtilitiesInventoryPropaneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesInventoryPropaneMember_lbl" xml:lang="en-US" id="id_10651532_1792067_1_1">Propane [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesInventoryPropaneMember_lbl" xml:lang="en-US" id="id_10651532_1792067_2_1">Propane</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesInventoryPropaneMember" xlink:to="us-gaap_PublicUtilitiesInventoryPropaneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryTable" xlink:label="us-gaap_PublicUtilitiesInventoryTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesInventoryTable_lbl" xml:lang="en-US" id="id_10651532_1790996_1_1">Public Utilities, Inventory [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesInventoryTable_lbl" xml:lang="en-US" id="id_10651532_1790996_2_1">Public Utilities, Inventory [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesInventoryTable" xlink:to="us-gaap_PublicUtilitiesInventoryTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain" xlink:label="us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesInventoryTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1790997_1_1">Inventory [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesInventoryTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1790997_2_1">Inventory [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesInventoryTypeDomain" xlink:to="us-gaap_PublicUtilitiesInventoryTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPolicyTextBlock" xlink:label="us-gaap_PublicUtilitiesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1789760_1_1">Public Utilities, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1789760_2_1">Regulatory Accounting</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPolicyTextBlock" xlink:to="us-gaap_PublicUtilitiesPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_10651532_1790999_1_1">Public Utilities, Property, Plant and Equipment [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_10651532_1790999_2_1">Utility Plant:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xml:lang="en-US" id="id_10651532_1791000_1_1">Public Utilities, Property, Plant and Equipment, Accumulated Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xml:lang="en-US" id="id_10651532_1791000_2_1">Less: Accumulated Depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon_lbl" xml:lang="en-US" id="id_10651532_1791003_1_1">Public Utilities, Property, Plant and Equipment, Common</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon_lbl" xml:lang="en-US" id="id_10651532_1791003_2_1">Common</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_lbl" xml:lang="en-US" id="id_10651532_1792074_1_1">Public Utilities, Property, Plant and Equipment, Construction Work in Progress</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_lbl" xml:lang="en-US" id="id_10651532_1792074_2_1">Construction Work in Progress</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_PublicUtilitiesPropertyPlantAndEquipmentGas" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl" xml:lang="en-US" id="id_10651532_1855454_3_1">Public Utilities Property Plant and Equipment related to Gas Operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl" xml:lang="en-US" id="id_10651532_1855454_1_1">Public Utilities Property Plant And Equipment Gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl" xml:lang="en-US" id="id_10651532_1855454_2_1">Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PublicUtilitiesPropertyPlantAndEquipmentGas" xlink:to="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_10651532_1789768_1_1">Public Utilities, Property, Plant and Equipment, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_10651532_1789768_2_1">Net Utility Plant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_10651532_1789768_6_1">Net Utility Plant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_lbl" xml:lang="en-US" id="id_10651532_1791010_1_1">Public Utilities, Property, Plant and Equipment, Plant in Service</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_lbl" xml:lang="en-US" id="id_10651532_1791010_6_1">Total Utility Plant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_lbl" xml:lang="en-US" id="id_10651532_1789772_1_1">Public Utilities, Property, Plant and Equipment, Transmission and Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_lbl" xml:lang="en-US" id="id_10651532_1789772_2_1">Electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:label="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl" xml:lang="en-US" id="id_10651532_1792086_1_1">Regulation Status [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl" xml:lang="en-US" id="id_10651532_1792086_2_1">Regulation Status [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:to="us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_QualifiedCleanEnergyMember" xlink:label="utl_QualifiedCleanEnergyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_QualifiedCleanEnergyMember_lbl" xml:lang="en-US" id="id_10651532_2004264_3_1">Qualified Clean Energy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_QualifiedCleanEnergyMember_lbl" xml:lang="en-US" id="id_10651532_2004264_1_1">Qualified Clean Energy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_QualifiedCleanEnergyMember_lbl" xml:lang="en-US" id="id_10651532_2004264_2_1">Qualified Clean Energy</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_QualifiedCleanEnergyMember" xlink:to="utl_QualifiedCleanEnergyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl" xml:lang="en-US" id="id_10651532_1791038_1_1">Range [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_RangeAxis_lbl" xml:lang="en-US" id="id_10651532_1791038_2_1">Range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="srt_RangeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeMember_lbl" xml:lang="en-US" id="id_10651532_1790882_1_1">Range [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_RangeMember_lbl" xml:lang="en-US" id="id_10651532_1790882_2_1">Range [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RateAdjustmentMechanismRevenueMember" xlink:label="utl_RateAdjustmentMechanismRevenueMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RateAdjustmentMechanismRevenueMember_lbl" xml:lang="en-US" id="id_10651532_1935956_3_1">Rate adjustment mechanism revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RateAdjustmentMechanismRevenueMember_lbl" xml:lang="en-US" id="id_10651532_1935956_1_1">Rate Adjustment Mechanism Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RateAdjustmentMechanismRevenueMember_lbl" xml:lang="en-US" id="id_10651532_1935956_2_1">Rate Adjustment Mechanism Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RateAdjustmentMechanismRevenueMember" xlink:to="utl_RateAdjustmentMechanismRevenueMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="us-gaap_ReceivablesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesAbstract_lbl" xml:lang="en-US" id="id_10651532_1789840_1_1">Receivables [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReceivablesAbstract_lbl" xml:lang="en-US" id="id_10651532_1789840_2_1">Receivables [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesAbstract" xlink:to="us-gaap_ReceivablesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesBillingStatusDomain" xlink:label="us-gaap_ReceivablesBillingStatusDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesBillingStatusDomain_lbl" xml:lang="en-US" id="id_10651532_1791074_1_1">Receivables Billing Status [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReceivablesBillingStatusDomain_lbl" xml:lang="en-US" id="id_10651532_1791074_2_1">Receivables Billing Status [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesBillingStatusDomain" xlink:to="us-gaap_ReceivablesBillingStatusDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ReceivablesLineItems" xlink:label="utl_ReceivablesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ReceivablesLineItems_lbl" xml:lang="en-US" id="id_10651532_1810433_3_1">Line items represent receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ReceivablesLineItems_lbl" xml:lang="en-US" id="id_10651532_1810433_1_1">Receivables [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ReceivablesLineItems_lbl" xml:lang="en-US" id="id_10651532_1810433_2_1">Receivables [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ReceivablesLineItems" xlink:to="utl_ReceivablesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="us-gaap_ReceivablesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792136_1_1">Receivables, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792136_2_1">Exchange Gas Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesPolicyTextBlock" xlink:to="us-gaap_ReceivablesPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ReceivablesTable" xlink:label="utl_ReceivablesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ReceivablesTable_lbl" xml:lang="en-US" id="id_10651532_1892511_3_1">Schedule reflecting Receivables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ReceivablesTable_lbl" xml:lang="en-US" id="id_10651532_1892511_1_1">Receivables [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ReceivablesTable_lbl" xml:lang="en-US" id="id_10651532_1892511_2_1">Receivables [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ReceivablesTable" xlink:to="utl_ReceivablesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock" xlink:label="utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1972711_3_1">Recently Issued Accounting Pronouncements, Policy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1972711_1_1">Recently Issued Accounting Pronouncements [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1972711_2_1">Recently Issued Pronouncements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock" xlink:to="utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates" xlink:label="utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates_lbl" xml:lang="en-US" id="id_10651532_1993489_3_1">Reconciliation adjustment of recouped the difference between temporary rates and final rates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates_lbl" xml:lang="en-US" id="id_10651532_1993489_1_1">Reconciliation adjustment of recouped difference between temporary rates and final rates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates_lbl" xml:lang="en-US" id="id_10651532_1993489_2_1">Reconciliation adjustment of recouped difference between temporary rates and final rates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates" xlink:to="utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl" xml:lang="en-US" id="id_10651532_1792146_1_1">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl" xml:lang="en-US" id="id_10651532_1792146_2_1">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable" xlink:to="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ReconcilingItemsMember" xlink:label="utl_ReconcilingItemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ReconcilingItemsMember_lbl" xml:lang="en-US" id="id_10651532_1951673_3_1">Reconciling Items [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ReconcilingItemsMember_lbl" xml:lang="en-US" id="id_10651532_1951673_1_1">Reconciling Items [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ReconcilingItemsMember_lbl" xml:lang="en-US" id="id_10651532_1951673_2_1">Reconciling Mechanisms</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ReconcilingItemsMember" xlink:to="utl_ReconcilingItemsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RegistrationPaymentArrangementExtensionTerm" xlink:label="utl_RegistrationPaymentArrangementExtensionTerm"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RegistrationPaymentArrangementExtensionTerm_lbl" xml:lang="en-US" id="id_10651532_1888466_3_1">Describes the extended term of the registration payment arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RegistrationPaymentArrangementExtensionTerm_lbl" xml:lang="en-US" id="id_10651532_1888466_1_1">Registration Payment Arrangement, Extension Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RegistrationPaymentArrangementExtensionTerm_lbl" xml:lang="en-US" id="id_10651532_1888466_2_1">TIRA extended term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RegistrationPaymentArrangementExtensionTerm" xlink:to="utl_RegistrationPaymentArrangementExtensionTerm_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegistrationPaymentArrangementTerm" xlink:label="us-gaap_RegistrationPaymentArrangementTerm"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegistrationPaymentArrangementTerm_lbl" xml:lang="en-US" id="id_10651532_1791618_1_1">Registration Payment Arrangement, Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegistrationPaymentArrangementTerm_lbl" xml:lang="en-US" id="id_10651532_1791618_2_1">TIRA initial term</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegistrationPaymentArrangementTerm" xlink:to="us-gaap_RegistrationPaymentArrangementTerm_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_10651532_1791111_1_1">Regulated and Unregulated Operating Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_10651532_1791111_2_1">Total Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:to="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:label="us-gaap_RegulatedAndUnregulatedOperationDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl" xml:lang="en-US" id="id_10651532_1791113_1_1">Regulated and Unregulated Operation [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl" xml:lang="en-US" id="id_10651532_1791113_2_1">Regulated and Unregulated Operation [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:to="us-gaap_RegulatedAndUnregulatedOperationDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatedOperationsAbstract" xlink:label="us-gaap_RegulatedOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedOperationsAbstract_lbl" xml:lang="en-US" id="id_10651532_1792180_1_1">Regulated Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedOperationsAbstract_lbl" xml:lang="en-US" id="id_10651532_1792180_2_1">Regulated Operations [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedOperationsAbstract" xlink:to="us-gaap_RegulatedOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetAxis" xlink:label="us-gaap_RegulatoryAssetAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetAxis_lbl" xml:lang="en-US" id="id_10651532_1790524_1_1">Regulatory Asset [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetAxis_lbl" xml:lang="en-US" id="id_10651532_1790524_2_1">Regulatory Asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetAxis" xlink:to="us-gaap_RegulatoryAssetAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetDomain" xlink:label="us-gaap_RegulatoryAssetDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetDomain_lbl" xml:lang="en-US" id="id_10651532_1791627_1_1">Regulatory Asset [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetDomain_lbl" xml:lang="en-US" id="id_10651532_1791627_2_1">Regulatory Asset [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetDomain" xlink:to="us-gaap_RegulatoryAssetDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetLineItems" xlink:label="us-gaap_RegulatoryAssetLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetLineItems_lbl" xml:lang="en-US" id="id_10651532_1792182_1_1">Regulatory Assets [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetLineItems_lbl" xml:lang="en-US" id="id_10651532_1792182_2_1">Regulatory Assets [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetLineItems" xlink:to="us-gaap_RegulatoryAssetLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RegulatoryAssetMember" xlink:label="utl_RegulatoryAssetMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RegulatoryAssetMember_lbl" xml:lang="en-US" id="id_10651532_1934495_3_1">Regulatory Asset [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RegulatoryAssetMember_lbl" xml:lang="en-US" id="id_10651532_1934495_1_1">Regulatory Asset [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RegulatoryAssetMember_lbl" xml:lang="en-US" id="id_10651532_1934495_2_1">Regulatory Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RegulatoryAssetMember" xlink:to="utl_RegulatoryAssetMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssets" xlink:label="us-gaap_RegulatoryAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssets_lbl" xml:lang="en-US" id="id_10651532_1791628_1_1">Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssets_lbl" xml:lang="en-US" id="id_10651532_1791628_2_1">Regulatory assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssets" xlink:to="us-gaap_RegulatoryAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetsCurrent" xlink:label="us-gaap_RegulatoryAssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetsCurrent_lbl" xml:lang="en-US" id="id_10651532_1790525_1_1">Regulatory Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetsCurrent_lbl" xml:lang="en-US" id="id_10651532_1790525_2_1">Less: Current Portion of Regulatory Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetsCurrent" xlink:to="us-gaap_RegulatoryAssetsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="us-gaap_RegulatoryAssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1791629_1_1">Regulatory Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1791629_2_1">Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RegulatoryAssetsNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1791629_12_1">Regulatory Assets - noncurrent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetsNoncurrent" xlink:to="us-gaap_RegulatoryAssetsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilities" xlink:label="us-gaap_RegulatoryLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilities_lbl" xml:lang="en-US" id="id_10651532_1791122_1_1">Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilities_lbl" xml:lang="en-US" id="id_10651532_1791122_2_1">Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RegulatoryLiabilities_lbl" xml:lang="en-US" id="id_10651532_1791122_12_1">Regulatory Liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilities" xlink:to="us-gaap_RegulatoryLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilitiesLineItems" xlink:label="us-gaap_RegulatoryLiabilitiesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilitiesLineItems_lbl" xml:lang="en-US" id="id_10651532_1791123_1_1">Regulatory Liabilities [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilitiesLineItems_lbl" xml:lang="en-US" id="id_10651532_1791123_2_1">Regulatory Liabilities [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilitiesLineItems" xlink:to="us-gaap_RegulatoryLiabilitiesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilityAxis" xlink:label="us-gaap_RegulatoryLiabilityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilityAxis_lbl" xml:lang="en-US" id="id_10651532_1792188_1_1">Regulatory Liability [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilityAxis_lbl" xml:lang="en-US" id="id_10651532_1792188_2_1">Regulatory Liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilityAxis" xlink:to="us-gaap_RegulatoryLiabilityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilityCurrent" xlink:label="us-gaap_RegulatoryLiabilityCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilityCurrent_lbl" xml:lang="en-US" id="id_10651532_1791633_1_1">Regulatory Liability, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilityCurrent_lbl" xml:lang="en-US" id="id_10651532_1791633_2_1">Less: Current Portion of Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RegulatoryLiabilityCurrent_lbl" xml:lang="en-US" id="id_10651532_1791633_12_1">Regulatory Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilityCurrent" xlink:to="us-gaap_RegulatoryLiabilityCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilityDomain" xlink:label="us-gaap_RegulatoryLiabilityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilityDomain_lbl" xml:lang="en-US" id="id_10651532_1792189_1_1">Regulatory Liability [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilityDomain_lbl" xml:lang="en-US" id="id_10651532_1792189_2_1">Regulatory Liability [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilityDomain" xlink:to="us-gaap_RegulatoryLiabilityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent" xlink:label="us-gaap_RegulatoryLiabilityNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilityNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1791124_1_1">Regulatory Liability, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilityNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1791124_2_1">Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RegulatoryLiabilityNoncurrent_lbl" xml:lang="en-US" id="id_10651532_1791124_12_1">Regulatory Liabilities-noncurrent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilityNoncurrent" xlink:to="us-gaap_RegulatoryLiabilityNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RegulatoryLiabilityRecoveryRefund" xlink:label="utl_RegulatoryLiabilityRecoveryRefund"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RegulatoryLiabilityRecoveryRefund_lbl" xml:lang="en-US" id="id_10651532_1844666_3_1">Regulatory liability recovery refund.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RegulatoryLiabilityRecoveryRefund_lbl" xml:lang="en-US" id="id_10651532_1844666_1_1">Regulatory Liability Recovery Refund</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RegulatoryLiabilityRecoveryRefund_lbl" xml:lang="en-US" id="id_10651532_1844666_2_1">Regulatory liability, expected flow back to customers</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RegulatoryLiabilityRecoveryRefund" xlink:to="utl_RegulatoryLiabilityRecoveryRefund_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RemainingAmortizationPeriod" xlink:label="utl_RemainingAmortizationPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RemainingAmortizationPeriod_lbl" xml:lang="en-US" id="id_10651532_1889868_3_1">Remaining Amortization Period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RemainingAmortizationPeriod_lbl" xml:lang="en-US" id="id_10651532_1889868_1_1">Remaining Amortization Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RemainingAmortizationPeriod_lbl" xml:lang="en-US" id="id_10651532_1889868_2_1">Amortization period for environmental costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RemainingAmortizationPeriod" xlink:to="utl_RemainingAmortizationPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RemunerationPercentage" xlink:label="utl_RemunerationPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RemunerationPercentage_lbl" xml:lang="en-US" id="id_10651532_2004265_3_1">Remuneration percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RemunerationPercentage_lbl" xml:lang="en-US" id="id_10651532_2004265_1_1">Remuneration Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RemunerationPercentage_lbl" xml:lang="en-US" id="id_10651532_2004265_2_1">Remuneration percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RemunerationPercentage" xlink:to="utl_RemunerationPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RenewableEnergyPortfolioRequirementMember" xlink:label="utl_RenewableEnergyPortfolioRequirementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RenewableEnergyPortfolioRequirementMember_lbl" xml:lang="en-US" id="id_10651532_1918401_3_1">Renewable Energy Portfolio Requirement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RenewableEnergyPortfolioRequirementMember_lbl" xml:lang="en-US" id="id_10651532_1918401_1_1">Renewable Energy Portfolio Requirement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RenewableEnergyPortfolioRequirementMember_lbl" xml:lang="en-US" id="id_10651532_1918401_2_1">Renewable Energy Portfolio Standards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RenewableEnergyPortfolioRequirementMember" xlink:to="utl_RenewableEnergyPortfolioRequirementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xml:lang="en-US" id="id_10651532_1791665_1_1">Repayments of Lines of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xml:lang="en-US" id="id_10651532_1791665_2_1">Repayments of lines of credit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLinesOfCredit" xlink:to="us-gaap_RepaymentsOfLinesOfCredit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US" id="id_10651532_1790561_1_1">Repayments of Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US" id="id_10651532_1790561_14_1">Repayment of Long-Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ReserveQuantitiesByTypeOfReserveAxis" xlink:label="srt_ReserveQuantitiesByTypeOfReserveAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ReserveQuantitiesByTypeOfReserveAxis_lbl" xml:lang="en-US" id="id_10651532_1791689_1_1">Petroleum Reserves [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_ReserveQuantitiesByTypeOfReserveAxis_lbl" xml:lang="en-US" id="id_10651532_1791689_2_1">Petroleum Reserves [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ReserveQuantitiesByTypeOfReserveAxis" xlink:to="srt_ReserveQuantitiesByTypeOfReserveAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ResidentialMember" xlink:label="utl_ResidentialMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ResidentialMember_lbl" xml:lang="en-US" id="id_10651532_1954242_3_1">Residential.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ResidentialMember_lbl" xml:lang="en-US" id="id_10651532_1954242_1_1">Residential [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ResidentialMember_lbl" xml:lang="en-US" id="id_10651532_1954242_2_1">Residential</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ResidentialMember" xlink:to="utl_ResidentialMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockExpense" xlink:label="us-gaap_RestrictedStockExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockExpense_lbl" xml:lang="en-US" id="id_10651532_1790616_1_1">Restricted Stock or Unit Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockExpense_lbl" xml:lang="en-US" id="id_10651532_1790616_2_1">Share based compensation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockExpense" xlink:to="us-gaap_RestrictedStockExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="id_10651532_1792917_1_1">Restricted Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="id_10651532_1792917_2_1">Restricted Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="us-gaap_RestrictedStockUnitsRSUMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xml:lang="en-US" id="id_10651532_1791857_1_1">Restricted Stock Units (RSUs) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xml:lang="en-US" id="id_10651532_1791857_2_1">Restricted Stock Units (RSUs)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="us-gaap_RestructuringCostAndReserveAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringCostAndReserveAxis_lbl" xml:lang="en-US" id="id_10651532_1791864_1_1">Restructuring Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCostAndReserveAxis_lbl" xml:lang="en-US" id="id_10651532_1791864_2_1">Restructuring Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringCostAndReserveAxis" xlink:to="us-gaap_RestructuringCostAndReserveAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US" id="id_10651532_1791896_1_1">Retained Earnings (Accumulated Deficit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US" id="id_10651532_1791896_2_1">Retained Earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US" id="id_10651532_1791757_1_1">Retained Earnings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US" id="id_10651532_1791757_2_1">Retained Earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeAxis" xlink:label="us-gaap_RetirementPlanTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetirementPlanTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1792962_1_1">Retirement Plan Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetirementPlanTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1792962_2_1">Defined Benefit Plans Type Of Plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetirementPlanTypeAxis" xlink:to="us-gaap_RetirementPlanTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetirementPlanTypeDomain" xlink:label="us-gaap_RetirementPlanTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetirementPlanTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1791917_1_1">Retirement Plan Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetirementPlanTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1791917_2_1">Retirement Plan Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetirementPlanTypeDomain" xlink:to="us-gaap_RetirementPlanTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RevenueAdjustment" xlink:label="utl_RevenueAdjustment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RevenueAdjustment_lbl" xml:lang="en-US" id="id_10651532_1847389_3_1">Revenue adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RevenueAdjustment_lbl" xml:lang="en-US" id="id_10651532_1847389_1_1">Revenue Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RevenueAdjustment_lbl" xml:lang="en-US" id="id_10651532_1847389_2_1">Annual revenue adjustment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RevenueAdjustment" xlink:to="utl_RevenueAdjustment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xml:lang="en-US" id="id_10651532_1791919_1_1">Revenue from Contract with Customer, Excluding Assessed Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xml:lang="en-US" id="id_10651532_1791919_2_1">Total Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xml:lang="en-US" id="id_10651532_1791920_1_1">Revenue from Contract with Customer, Including Assessed Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xml:lang="en-US" id="id_10651532_1791920_2_1">Total Gas and Electric Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_RevenueOffsetMember" xlink:label="utl_RevenueOffsetMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RevenueOffsetMember_lbl" xml:lang="en-US" id="id_10651532_1936179_3_1">Revenue Offset [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RevenueOffsetMember_lbl" xml:lang="en-US" id="id_10651532_1936179_1_1">Revenue Offset [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RevenueOffsetMember_lbl" xml:lang="en-US" id="id_10651532_1936179_2_1">Revenue Offset [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RevenueOffsetMember" xlink:to="utl_RevenueOffsetMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1790672_1_1">Revenue Recognition, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US" id="id_10651532_1790672_2_1">Other Operating Revenue - Non-regulated</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US" id="id_10651532_1790684_1_1">Revenues [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US" id="id_10651532_1790684_2_1">Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="us-gaap_RevolvingCreditFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US" id="id_10651532_1792477_1_1">Revolving Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US" id="id_10651532_1792477_2_1">Revolving Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevolvingCreditFacilityMember" xlink:to="us-gaap_RevolvingCreditFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xml:lang="en-US" id="id_10651532_1792480_1_1">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xml:lang="en-US" id="id_10651532_1792480_2_1">Right-of-Use Assets Obtained in Exchange for Lease Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xml:lang="en-US" id="id_10651532_1792506_1_1">Sale of Stock [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xml:lang="en-US" id="id_10651532_1792506_2_1">Sale of Stock [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1791390_2_1">Borrowing Limits Amounts Outstanding and Amounts Available under Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xml:lang="en-US" id="id_10651532_1791392_1_1">Schedule of Defined Benefit Plans Disclosures [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xml:lang="en-US" id="id_10651532_1791392_2_1">Schedule of Defined Benefit Plans Disclosures [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEnvironmentalExitCostTable" xlink:label="us-gaap_ScheduleOfEnvironmentalExitCostTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEnvironmentalExitCostTable_lbl" xml:lang="en-US" id="id_10651532_1792713_1_1">Schedule of Environmental Exit Cost [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfEnvironmentalExitCostTable_lbl" xml:lang="en-US" id="id_10651532_1792713_2_1">Schedule of Environmental Exit Cost [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEnvironmentalExitCostTable" xlink:to="us-gaap_ScheduleOfEnvironmentalExitCostTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock" xlink:label="us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792714_1_1">Schedule of Environmental Loss Contingencies by Site [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792714_2_1">Environmental Obligations Recognized by Company</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock" xlink:to="us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock" xlink:label="utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1967485_3_1">Schedule Of Future Minimum Payments For Obligations [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1967485_1_1">Schedule Of Future Minimum Payments For Obligations [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1967485_2_1">Future Operating Lease Payment Obligations and Future Minimum Lease Payments under Capital Leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock" xlink:to="utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ScheduleOfOtherAccountsReceivableTableTextBlock" xlink:label="utl_ScheduleOfOtherAccountsReceivableTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ScheduleOfOtherAccountsReceivableTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1964193_3_1">Description of the components and amounts included in Exchange Gas Receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ScheduleOfOtherAccountsReceivableTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1964193_1_1">Schedule Of Other Accounts Receivable [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ScheduleOfOtherAccountsReceivableTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1964193_2_1">Components of Exchange Gas Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ScheduleOfOtherAccountsReceivableTableTextBlock" xlink:to="utl_ScheduleOfOtherAccountsReceivableTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTable_lbl" xml:lang="en-US" id="id_10651532_1792601_1_1">Schedule of Regulatory Assets [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTable_lbl" xml:lang="en-US" id="id_10651532_1792601_2_1">Schedule of Regulatory Assets [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:to="us-gaap_ScheduleOfRegulatoryAssetsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTextBlock_lbl" xml:lang="en-US" id="id_10651532_1791453_1_1">Schedule of Regulatory Assets [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTextBlock_lbl" xml:lang="en-US" id="id_10651532_1791453_2_1">Regulatory Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:to="us-gaap_ScheduleOfRegulatoryAssetsTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink:label="us-gaap_ScheduleOfRegulatoryLiabilitiesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRegulatoryLiabilitiesTable_lbl" xml:lang="en-US" id="id_10651532_1792754_1_1">Schedule of Regulatory Liabilities [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfRegulatoryLiabilitiesTable_lbl" xml:lang="en-US" id="id_10651532_1792754_2_1">Schedule of Regulatory Liabilities [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRegulatoryLiabilitiesTable" xlink:to="us-gaap_ScheduleOfRegulatoryLiabilitiesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink:label="us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock_lbl" xml:lang="en-US" id="id_10651532_1793809_1_1">Schedule of Regulatory Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock_lbl" xml:lang="en-US" id="id_10651532_1793809_2_1">Regulatory Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock" xlink:to="us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xml:lang="en-US" id="id_10651532_1793818_1_1">Schedule of Segment Reporting Information, by Segment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xml:lang="en-US" id="id_10651532_1793818_2_1">Significant Segment Financial Data</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xml:lang="en-US" id="id_10651532_1792620_1_1">Schedule of Stock by Class [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xml:lang="en-US" id="id_10651532_1792620_2_1">Schedule of Stock by Class [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ScheduleOfStockOptionsLineItems" xlink:label="utl_ScheduleOfStockOptionsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ScheduleOfStockOptionsLineItems_lbl" xml:lang="en-US" id="id_10651532_1805610_3_1">Schedule Of Stock Options [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ScheduleOfStockOptionsLineItems_lbl" xml:lang="en-US" id="id_10651532_1805610_1_1">Schedule Of Stock Options [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ScheduleOfStockOptionsLineItems_lbl" xml:lang="en-US" id="id_10651532_1805610_2_1">Schedule Of Stock Options [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ScheduleOfStockOptionsLineItems" xlink:to="utl_ScheduleOfStockOptionsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ScheduleOfStockOptionsTable" xlink:label="utl_ScheduleOfStockOptionsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ScheduleOfStockOptionsTable_lbl" xml:lang="en-US" id="id_10651532_1893631_3_1">Schedule Of Stock Options [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ScheduleOfStockOptionsTable_lbl" xml:lang="en-US" id="id_10651532_1893631_1_1">Schedule Of Stock Options [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ScheduleOfStockOptionsTable_lbl" xml:lang="en-US" id="id_10651532_1893631_2_1">Schedule Of Stock Options [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ScheduleOfStockOptionsTable" xlink:to="utl_ScheduleOfStockOptionsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792771_1_1">Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792771_2_1">Restricted Stock Units Issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock" xlink:to="us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfUtilityInventoryTextBlock" xlink:label="us-gaap_ScheduleOfUtilityInventoryTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfUtilityInventoryTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792625_1_1">Schedule of Utility Inventory [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfUtilityInventoryTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792625_2_1">Components of Gas Inventory</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfUtilityInventoryTextBlock" xlink:to="us-gaap_ScheduleOfUtilityInventoryTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SecondRateStepAdjustmentsMember" xlink:label="utl_SecondRateStepAdjustmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SecondRateStepAdjustmentsMember_lbl" xml:lang="en-US" id="id_10651532_1993488_3_1">Second rate Step Adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SecondRateStepAdjustmentsMember_lbl" xml:lang="en-US" id="id_10651532_1993488_1_1">Second rate Step Adjustments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SecondRateStepAdjustmentsMember_lbl" xml:lang="en-US" id="id_10651532_1993488_2_1">Second rate Step Adjustments [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SecondRateStepAdjustmentsMember" xlink:to="utl_SecondRateStepAdjustmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentDomain_lbl" xml:lang="en-US" id="id_10651532_1793348_1_1">Segments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentDomain_lbl" xml:lang="en-US" id="id_10651532_1793348_2_1">Segments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="srt_SegmentGeographicalDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_SegmentGeographicalDomain_lbl" xml:lang="en-US" id="id_10651532_1792831_1_1">Geographical [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_SegmentGeographicalDomain_lbl" xml:lang="en-US" id="id_10651532_1792831_2_1">Geographical [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_SegmentGeographicalDomain" xlink:to="srt_SegmentGeographicalDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xml:lang="en-US" id="id_10651532_1793349_1_1">Segment Reporting [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xml:lang="en-US" id="id_10651532_1793349_2_1">Segment Reporting [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792835_1_1">Segment Reporting Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1792835_2_1">SEGMENT INFORMATION</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems" xlink:label="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_lbl" xml:lang="en-US" id="id_10651532_1791519_1_1">Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_lbl" xml:lang="en-US" id="id_10651532_1791519_2_1">Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems" xlink:to="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember" xlink:label="utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl" xml:lang="en-US" id="id_10651532_1903616_3_1">Senior Notes Five Point Nine Zero Percent Due December Fifteen Twenty Thirty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl" xml:lang="en-US" id="id_10651532_1903616_1_1">Senior Notes Five Point Nine Zero Percent Due December Fifteen Twenty Thirty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl" xml:lang="en-US" id="id_10651532_1903616_2_1">5.90% Notes, Due December 15, 2030</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember" xlink:to="utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_10651532_1956531_3_1">Senior Notes Five Point Two Nine Percent Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_10651532_1956531_1_1">Senior Notes Five Point Two Nine Percent Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_10651532_1956531_2_1">5.29% Senior Notes, Due March 2, 2020</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember" xlink:to="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember" xlink:label="utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember_lbl" xml:lang="en-US" id="id_10651532_1937783_3_1">Senior Notes Four Point Four Two Percent Due October Fifteen Twenty Forty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember_lbl" xml:lang="en-US" id="id_10651532_1937783_1_1">Senior Notes Four Point Four Two Percent Due October Fifteen Twenty Forty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember_lbl" xml:lang="en-US" id="id_10651532_1937783_2_1">4.42% Senior Notes, Due October 15, 2044</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember" xlink:to="utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember" xlink:label="utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935556_3_1">Senior Notes Four Point Three Two Percent Due November One Twenty Forty Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935556_1_1">Senior Notes Four Point Three Two Percent Due November One Twenty Forty Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935556_2_1">4.32% Senior Notes, Due November 1, 2047</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember" xlink:to="utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember" xlink:label="utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_10651532_1943673_3_1">Senior Notes Seven Point Nine Eight Percent Due June One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_10651532_1943673_1_1">Senior Notes Seven Point Nine Eight Percent Due June One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_10651532_1943673_2_1">7.98% Notes, Due June 1, 2031</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember" xlink:to="utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl" xml:lang="en-US" id="id_10651532_1912867_3_1">Senior Notes Seven Point One Five Percent Due December Fifteen Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl" xml:lang="en-US" id="id_10651532_1912867_1_1">Senior Notes Seven Point One Five Percent Due December Fifteen Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl" xml:lang="en-US" id="id_10651532_1912867_2_1">7.15% Senior Notes, Due December 15, 2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember" xlink:to="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl" xml:lang="en-US" id="id_10651532_1898139_3_1">Senior Notes Seven Point Seven Two Percent Due December Three Twenty Thirty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl" xml:lang="en-US" id="id_10651532_1898139_1_1">Senior Notes Seven Point Seven Two Percent Due December Three Twenty Thirty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl" xml:lang="en-US" id="id_10651532_1898139_2_1">7.72% Senior Notes, Due December 3, 2038</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember" xlink:to="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember" xlink:label="utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl" xml:lang="en-US" id="id_10651532_1944058_3_1">Senior Notes Seven Point Three Seven Percent Due January Fifteen Twenty Twenty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl" xml:lang="en-US" id="id_10651532_1944058_1_1">Senior Notes Seven Point Three Seven Percent Due January Fifteen Twenty Twenty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl" xml:lang="en-US" id="id_10651532_1944058_2_1">7.37% Notes, Due January 15, 2029</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember" xlink:to="utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl" xml:lang="en-US" id="id_10651532_1909059_3_1">Senior Notes Six Point Nine Five Percent Due December Three Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl" xml:lang="en-US" id="id_10651532_1909059_1_1">Senior Notes Six Point Nine Five Percent Due December Three Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl" xml:lang="en-US" id="id_10651532_1909059_2_1">6.95% Senior Notes, Due December 3, 2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember" xlink:to="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember" xlink:label="utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl" xml:lang="en-US" id="id_10651532_1908956_3_1">Senior Notes Six Point Seven Five Percent Due November Thirty Twenty Twenty Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl" xml:lang="en-US" id="id_10651532_1908956_1_1">Senior Notes Six Point Seven Five Percent Due November Thirty Twenty Twenty Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl" xml:lang="en-US" id="id_10651532_1908956_2_1">6.75% Senior Notes, Due November 30, 2023</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember" xlink:to="utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember" xlink:label="utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl" xml:lang="en-US" id="id_10651532_1945135_3_1">Senior Notes Six Point Seven Nine Percent Due October Fifteen Twenty Twenty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl" xml:lang="en-US" id="id_10651532_1945135_1_1">Senior Notes Six Point Seven Nine Percent Due October Fifteen Twenty Twenty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl" xml:lang="en-US" id="id_10651532_1945135_2_1">6.79% Senior Notes, Due October 15, 2025</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember" xlink:to="utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember_lbl" xml:lang="en-US" id="id_10651532_1938122_3_1">Senior Notes Six Point Three Three Percent Due May One Twenty Twenty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember_lbl" xml:lang="en-US" id="id_10651532_1938122_1_1">Senior Notes Six Point Three Three Percent Due May One Twenty Twenty Two [Member]</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember" xlink:label="utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935555_3_1">Senior Notes Three Point Five Two Percent Due November One Twenty Twenty Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935555_1_1">Senior Notes Three Point Five Two Percent Due November One Twenty Twenty Seven [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesThreePointSevenTwoPercentDueNovemberOneTwentyTwentySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935557_3_1">Senior Notes Three Point Seven Two Percent Due November One Twenty Twenty Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesThreePointSevenTwoPercentDueNovemberOneTwentyTwentySevenMember_lbl" xml:lang="en-US" id="id_10651532_1935557_1_1">Senior Notes Three Point Seven Two Percent Due November One Twenty Twenty Seven [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorUnsecuredNotesThreePointSevenZeroPercentDueAugustOneTwentyTwentySixMember_lbl" xml:lang="en-US" id="id_10651532_1957138_3_1">Senior Unsecured Notes Three Point Seven Zero Percent Due August One Twenty Twenty Six [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeriesSixMember_lbl" xml:lang="en-US" id="id_10651532_1912413_3_1">Series 6 [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1974283_3_1">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested Grants in Period, Weighted Average Grant Date Fair Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1974283_1_1">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options,Fully Vested Grants in Period, Weighted Average Grant Date Fair Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber_lbl" xml:lang="en-US" id="id_10651532_1873191_3_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Fully Vested, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber_lbl" xml:lang="en-US" id="id_10651532_1873191_1_1">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Fully Vested, Number</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber" xlink:to="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled_lbl" xml:lang="en-US" id="id_10651532_1872324_3_1">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fully Vested Settled.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled_lbl" xml:lang="en-US" id="id_10651532_1872324_1_1">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fully Vested Settled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled_lbl" xml:lang="en-US" id="id_10651532_1872324_14_1">Restricted Stock Units Settled</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled" xlink:to="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettledInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1975892_3_1">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested Settled in Period, Weighted Average Grant Date Fair Value.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettledInPeriodWeightedAverageGrantDateFairValue" xlink:to="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettledInPeriodWeightedAverageGrantDateFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1976039_3_1">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1976039_1_1">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested, Weighted Average Grant Date Fair Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1976039_5_1">Beginning Restricted Stock Units</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward_lbl" xml:lang="en-US" id="id_10651532_1793936_2_1">Restricted Stock Units</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_10651532_1872848_3_1">Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Shares, Outstanding, Number.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_10651532_1872848_1_1">Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Outstanding, Number</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US" id="id_10651532_1793412_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US" id="id_10651532_1793412_2_1">Restricted stock available for awards</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xml:lang="en-US" id="id_10651532_1791582_2_1">Restricted stock that may be awarded in any one calendar year to any one participant</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod_lbl" xml:lang="en-US" id="id_10651532_1874611_3_1">Share Based Compensation Arrangement by Share Based Payment Award, Options, Cancelled in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod_lbl" xml:lang="en-US" id="id_10651532_1874611_1_1">Share Based Compensation Arrangement by Share Based Payment Award, Options, Cancelled in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod_lbl" xml:lang="en-US" id="id_10651532_1874611_2_1">Cancellations under the stock plan</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US" id="id_10651532_1791584_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US" id="id_10651532_1791584_2_1">Forfeitures under the stock plan</label>
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    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice" xlink:label="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_10651532_1974286_3_1">Share-based Compensation Arrangement by Share-based Payment Awards Equity Instrument Other than Options Outstanding Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_10651532_1974286_1_1">Share-based Compensation Arrangement by Share-based Payment Awards Equity Instrument Other than Options Outstanding Weighted Average Exercise Price</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US" id="id_10651532_1793435_2_1">Equity Award [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentRightsInPeriod_lbl" xml:lang="en-US" id="id_10651532_1874761_3_1">Share Based Payment Award Equity Instruments Other Than Options Dividend Equivalent Rights In Period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentRightsInPeriod_lbl" xml:lang="en-US" id="id_10651532_1874761_1_1">Share Based Payment Award Equity Instruments Other Than Options Dividend Equivalent Rights In Period</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedDividendEquivalentRightsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1975293_3_1">Share Based Payment Award Equity Instruments Other Than Options Fully Vested Dividend Equivalent Rights In Period Weighted Average Grant Date Fair Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedDividendEquivalentRightsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1975293_1_1">Share Based Payment Award Equity Instruments Other Than Options Fully Vested Dividend Equivalent Rights In Period Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedDividendEquivalentRightsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_10651532_1975293_2_1">Dividend Equivalents Earned</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_10651532_1800473_2_1">Significant Accounting Policies [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SignificantAccountingPoliciesLineItems" xlink:to="utl_SignificantAccountingPoliciesLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_10651532_1892686_2_1">Significant Accounting Policies [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" id="id_10651532_1793531_2_1">Statement of Cash Flows [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_10651532_1792346_2_1">Statement of Stockholders' Equity [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_10651532_1794709_2_1">Stockholders' Equity:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xml:lang="en-US" id="id_10651532_1794714_2_1">COMMON STOCK AND PREFERRED STOCK</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US" id="id_10651532_1793700_1_1">Stock Issued During Period, Shares, New Issues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US" id="id_10651532_1793700_2_1">Common stock, shares issued</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US" id="id_10651532_1793559_2_1">Issuance of Common Shares</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US" id="id_10651532_1794733_1_1">Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US" id="id_10651532_1794733_2_1">Stock Compensation Plans</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SublimitForIssuanceOfStandbyLettersOfCredit_lbl" xml:lang="en-US" id="id_10651532_1825544_3_1">Sublimit for issuance of standby letters of credit.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US" id="id_10651532_1792381_1_1">Subsequent Event [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US" id="id_10651532_1792381_2_1">Subsequent Event</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xml:lang="en-US" id="id_10651532_1793730_2_1">Subsequent Event Type [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xml:lang="en-US" id="id_10651532_1792383_2_1">Subsequent Event Type [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_TaxCutsAndJobsActOf2017ChangeInTaxRateRegulatoryLiabilityRecoveryRefund_lbl" xml:lang="en-US" id="id_10651532_1844662_3_1">Tax Cuts and Jobs Act of 2017 change in tax rate regulatory liability recovery refund.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_UnitilEnergySystemsIncMember_lbl" xml:lang="en-US" id="id_10651532_1920726_2_1">Unitil Energy Systems Inc</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_UnitilServiceCorpMember_lbl" xml:lang="en-US" id="id_10651532_1921134_3_1">Unitil Service Corp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_UnitilServiceCorpMember_lbl" xml:lang="en-US" id="id_10651532_1921134_1_1">Unitil Service Corp [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_UnitilServiceCorpMember" xlink:to="utl_UnitilServiceCorpMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnregulatedOperatingRevenue" xlink:label="us-gaap_UnregulatedOperatingRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_10651532_1795137_1_1">Unregulated Operating Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_10651532_1795137_2_1">Other Operating Revenue - Non-Regulated</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnregulatedOperatingRevenue" xlink:to="us-gaap_UnregulatedOperatingRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnregulatedOperationMember" xlink:label="us-gaap_UnregulatedOperationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnregulatedOperationMember_lbl" xml:lang="en-US" id="id_10651532_1795653_1_1">Unregulated Operation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnregulatedOperationMember_lbl" xml:lang="en-US" id="id_10651532_1795653_2_1">Unregulated Operation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnregulatedOperationMember" xlink:to="us-gaap_UnregulatedOperationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20190331.xsd#utl_UtilitiesMember" xlink:label="utl_UtilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_UtilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1920237_3_1">Utilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_UtilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1920237_1_1">Utilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_UtilitiesMember_lbl" xml:lang="en-US" id="id_10651532_1920237_2_1">Utilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_UtilitiesMember" xlink:to="utl_UtilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="us-gaap_UtilitiesOperatingExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UtilitiesOperatingExpense_lbl" xml:lang="en-US" id="id_10651532_1793276_1_1">Utilities Operating Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_UtilitiesOperatingExpense_lbl" xml:lang="en-US" id="id_10651532_1793276_6_1">Total Operating Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UtilitiesOperatingExpense" xlink:to="us-gaap_UtilitiesOperatingExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_lbl" xml:lang="en-US" id="id_10651532_1795158_1_1">Utilities Operating Expense, Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_lbl" xml:lang="en-US" id="id_10651532_1795158_2_1">Depreciation and Amortization</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:to="us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:label="us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations_lbl" xml:lang="en-US" id="id_10651532_1795670_1_1">Utilities Operating Expense, Maintenance and Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations_lbl" xml:lang="en-US" id="id_10651532_1795670_2_1">Operation and Maintenance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:to="us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes" xlink:label="us-gaap_UtilitiesOperatingExpenseTaxes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UtilitiesOperatingExpenseTaxes_lbl" xml:lang="en-US" id="id_10651532_1795164_1_1">Utilities Operating Expense, Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UtilitiesOperatingExpenseTaxes_lbl" xml:lang="en-US" id="id_10651532_1795164_2_1">Taxes Other than Income Taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UtilitiesOperatingExpenseTaxes" xlink:to="us-gaap_UtilitiesOperatingExpenseTaxes_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UtilityRevenueAndExpenseRecognitionPolicy" xlink:label="us-gaap_UtilityRevenueAndExpenseRecognitionPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UtilityRevenueAndExpenseRecognitionPolicy_lbl" xml:lang="en-US" id="id_10651532_1794636_1_1">Utility, Revenue and Expense Recognition, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UtilityRevenueAndExpenseRecognitionPolicy_lbl" xml:lang="en-US" id="id_10651532_1794636_2_1">Utility Revenue Recognition</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UtilityRevenueAndExpenseRecognitionPolicy" xlink:to="us-gaap_UtilityRevenueAndExpenseRecognitionPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowanceLineItems" xlink:label="us-gaap_ValuationAllowanceLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowanceLineItems_lbl" xml:lang="en-US" id="id_10651532_1795682_1_1">Valuation Allowance [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowanceLineItems_lbl" xml:lang="en-US" id="id_10651532_1795682_2_1">Valuation Allowance [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowanceLineItems" xlink:to="us-gaap_ValuationAllowanceLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ValuationAllowanceTable" xlink:label="us-gaap_ValuationAllowanceTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowanceTable_lbl" xml:lang="en-US" id="id_10651532_1793294_1_1">Valuation Allowance [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowanceTable_lbl" xml:lang="en-US" id="id_10651532_1793294_2_1">Valuation Allowance [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowanceTable" xlink:to="us-gaap_ValuationAllowanceTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableRateAxis_lbl" xml:lang="en-US" id="id_10651532_1795716_1_1">Variable Rate [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableRateAxis_lbl" xml:lang="en-US" id="id_10651532_1795716_2_1">Variable Rate [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableRateDomain_lbl" xml:lang="en-US" id="id_10651532_1795717_1_1">Variable Rate [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableRateDomain_lbl" xml:lang="en-US" id="id_10651532_1795717_2_1">Variable Rate [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_VariableRateDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_VestingAnnualMember_lbl" xml:lang="en-US" id="id_10651532_1940709_2_1">Vesting Annually</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingAxis" xlink:label="us-gaap_VestingAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VestingAxis_lbl" xml:lang="en-US" id="id_10651532_1795337_1_1">Vesting [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VestingAxis_lbl" xml:lang="en-US" id="id_10651532_1795337_2_1">Vesting [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingAxis" xlink:to="us-gaap_VestingAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_VestingDomain" xlink:label="us-gaap_VestingDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VestingDomain_lbl" xml:lang="en-US" id="id_10651532_1795338_1_1">Vesting [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VestingDomain_lbl" xml:lang="en-US" id="id_10651532_1795338_2_1">Vesting [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingDomain" xlink:to="us-gaap_VestingDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageCostInventoryAmount" xlink:label="us-gaap_WeightedAverageCostInventoryAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageCostInventoryAmount_lbl" xml:lang="en-US" id="id_10651532_1795354_1_1">Weighted Average Cost Inventory Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageCostInventoryAmount_lbl" xml:lang="en-US" id="id_10651532_1795354_2_1">Gas Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageCostInventoryAmount_lbl" xml:lang="en-US" id="id_10651532_1795354_12_1">Weighted average cost inventory amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageCostInventoryAmount" xlink:to="us-gaap_WeightedAverageCostInventoryAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_WeightedAverageMember" xlink:label="srt_WeightedAverageMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_WeightedAverageMember_lbl" xml:lang="en-US" id="id_10651532_1795356_1_1">Weighted Average [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_WeightedAverageMember_lbl" xml:lang="en-US" id="id_10651532_1795356_2_1">Average</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xml:lang="en-US" id="id_10651532_1794007_1_1">Weighted Average Number of Shares Outstanding, Basic and Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xml:lang="en-US" id="id_10651532_1794007_2_1">Weighted Average Common Shares Outstanding - (Basic and Diluted)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:to="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl"/>
  </labelLink>
</linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>13
<FILENAME>utl-20190331_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN Xcelerate Taxonomy Presentation Linkbase - https://www.dfinsolutions.com/ -->
<!-- Version: 6.23.6 -->
<!-- Round: 5 -->
<!-- Creation date: 2019-04-24T16:19:51Z -->
<!-- Copyright (c) 2019 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6785985168">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information - shares<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">14,916,405<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated), (5) Smaller Reporting Accelerated Filer or (6) Smaller Reporting Company and Large Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a smaller reporting company with both a public float and revenues of less than $75 million.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786327232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONSOLIDATED STATEMENTS OF EARNINGS - USD ($)<br> shares in Millions, $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating Revenues</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total Operating Revenues</a></td>
<td class="nump">$ 152.1<span></span>
</td>
<td class="nump">$ 145.8<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpensesAbstract', window );"><strong>Operating Expenses</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations', window );">Operation and Maintenance</a></td>
<td class="nump">18.5<span></span>
</td>
<td class="nump">17.3<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization', window );">Depreciation and Amortization</a></td>
<td class="nump">13.8<span></span>
</td>
<td class="nump">12.3<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseTaxes', window );">Taxes Other than Income Taxes</a></td>
<td class="nump">6.4<span></span>
</td>
<td class="nump">5.8<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpense', window );">Total Operating Expenses</a></td>
<td class="nump">123.3<span></span>
</td>
<td class="nump">117.7<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating Income</a></td>
<td class="nump">28.8<span></span>
</td>
<td class="nump">28.1<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestIncomeExpenseNonoperatingNet', window );">Interest Expense, Net</a></td>
<td class="nump">6.2<span></span>
</td>
<td class="nump">6.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other (Income) Expense, Net</a></td>
<td class="num">(12.1)<span></span>
</td>
<td class="nump">1.7<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income Before Income Taxes</a></td>
<td class="nump">34.7<span></span>
</td>
<td class="nump">20.4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Provision For Income Taxes</a></td>
<td class="nump">8.2<span></span>
</td>
<td class="nump">4.8<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net Income</a></td>
<td class="nump">$ 26.5<span></span>
</td>
<td class="nump">$ 15.6<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAndDiluted', window );">Net Income Per Common Share (Basic and Diluted)</a></td>
<td class="nump">$ 1.78<span></span>
</td>
<td class="nump">$ 1.06<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted', window );">Weighted Average Common Shares Outstanding - (Basic and Diluted)</a></td>
<td class="nump">14.9<span></span>
</td>
<td class="nump">14.8<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=utl_GasMember', window );">Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating Revenues</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total Operating Revenues</a></td>
<td class="nump">$ 86.4<span></span>
</td>
<td class="nump">$ 87.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpensesAbstract', window );"><strong>Operating Expenses</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Operating Expenses</a></td>
<td class="nump">42.9<span></span>
</td>
<td class="nump">47.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=utl_ElectricMember', window );">Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating Revenues</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total Operating Revenues</a></td>
<td class="nump">64.8<span></span>
</td>
<td class="nump">57.5<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpensesAbstract', window );"><strong>Operating Expenses</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Operating Expenses</a></td>
<td class="nump">41.7<span></span>
</td>
<td class="nump">35.2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=utl_Other1Member', window );">Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating Revenues</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total Operating Revenues</a></td>
<td class="nump">$ 0.9<span></span>
</td>
<td class="nump">$ 1.3<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostOfGoodsAndServicesSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(a),(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfGoodsAndServicesSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasicAndDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=109260490&amp;loc=d3e1337-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAndDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68072869&amp;loc=d3e41242-110953<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=115929826&amp;loc=d3e8736-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109238882&amp;loc=d3e38679-109324<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestIncomeExpenseNonoperatingNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net amount of nonoperating interest income (expense).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestIncomeExpenseNonoperatingNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669619-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669625-108580<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpensesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130543-203045<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130539-203045<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130545-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenuesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenuesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for depreciation and amortization of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for taxes other than income taxes of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=utl_GasMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=utl_GasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=utl_ElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=utl_ElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=utl_Other1Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=utl_Other1Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<FILENAME>R3.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6787037920">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>CONSOLIDATED BALANCE SHEETS - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current Assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and Cash Equivalents</a></td>
<td class="nump">$ 4.3<span></span>
</td>
<td class="nump">$ 7.8<span></span>
</td>
<td class="nump">$ 9.5<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts Receivable, Net</a></td>
<td class="nump">73.9<span></span>
</td>
<td class="nump">66.8<span></span>
</td>
<td class="nump">74.4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledContractsReceivable', window );">Accrued Revenue</a></td>
<td class="nump">40.2<span></span>
</td>
<td class="nump">54.7<span></span>
</td>
<td class="nump">45.1<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherReceivablesNetCurrent', window );">Exchange Gas Receivable</a></td>
<td class="nump">0.4<span></span>
</td>
<td class="nump">8.1<span></span>
</td>
<td class="nump">0.2<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageCostInventoryAmount', window );">Gas Inventory</a></td>
<td class="nump">0.5<span></span>
</td>
<td class="nump">0.8<span></span>
</td>
<td class="nump">0.4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryRawMaterialsAndSupplies', window );">Materials and Supplies</a></td>
<td class="nump">7.8<span></span>
</td>
<td class="nump">7.0<span></span>
</td>
<td class="nump">7.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrepaidExpenseAndOtherAssets', window );">Prepayments and Other</a></td>
<td class="nump">6.8<span></span>
</td>
<td class="nump">7.0<span></span>
</td>
<td class="nump">7.1<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total Current Assets</a></td>
<td class="nump">133.9<span></span>
</td>
<td class="nump">152.2<span></span>
</td>
<td class="nump">144.5<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract', window );"><strong>Utility Plant:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PublicUtilitiesPropertyPlantAndEquipmentGas', window );">Gas</a></td>
<td class="nump">778.6<span></span>
</td>
<td class="nump">760.6<span></span>
</td>
<td class="nump">706.7<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution', window );">Electric</a></td>
<td class="nump">511.3<span></span>
</td>
<td class="nump">500.1<span></span>
</td>
<td class="nump">478.8<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon', window );">Common</a></td>
<td class="nump">61.1<span></span>
</td>
<td class="nump">83.1<span></span>
</td>
<td class="nump">69.1<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress', window );">Construction Work in Progress</a></td>
<td class="nump">26.1<span></span>
</td>
<td class="nump">25.5<span></span>
</td>
<td class="nump">32.1<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService', window );">Total Utility Plant</a></td>
<td class="nump">1,377.1<span></span>
</td>
<td class="nump">1,369.3<span></span>
</td>
<td class="nump">1,286.7<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation', window );">Less: Accumulated Depreciation</a></td>
<td class="nump">339.3<span></span>
</td>
<td class="nump">332.5<span></span>
</td>
<td class="nump">314.3<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Net Utility Plant</a></td>
<td class="nump">1,037.8<span></span>
</td>
<td class="nump">1,036.8<span></span>
</td>
<td class="nump">972.4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>Other Noncurrent Assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory Assets</a></td>
<td class="nump">97.9<span></span>
</td>
<td class="nump">99.0<span></span>
</td>
<td class="nump">111.2<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Operating Lease Right of Use Assets</a></td>
<td class="nump">3.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other Assets</a></td>
<td class="nump">16.7<span></span>
</td>
<td class="nump">10.3<span></span>
</td>
<td class="nump">16.2<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrent', window );">Total Other Noncurrent Assets</a></td>
<td class="nump">118.5<span></span>
</td>
<td class="nump">109.3<span></span>
</td>
<td class="nump">127.4<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">TOTAL ASSETS</a></td>
<td class="nump">1,290.2<span></span>
</td>
<td class="nump">1,298.3<span></span>
</td>
<td class="nump">1,244.3<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current Liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts Payable</a></td>
<td class="nump">33.0<span></span>
</td>
<td class="nump">42.6<span></span>
</td>
<td class="nump">30.1<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Short-Term Debt</a></td>
<td class="nump">65.8<span></span>
</td>
<td class="nump">82.8<span></span>
</td>
<td class="nump">45.3<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-Term Debt, Current Portion</a></td>
<td class="nump">19.5<span></span>
</td>
<td class="nump">18.4<span></span>
</td>
<td class="nump">29.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory Liabilities</a></td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">11.5<span></span>
</td>
<td class="nump">10.9<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent', window );">Energy Supply Obligations</a></td>
<td class="nump">4.6<span></span>
</td>
<td class="nump">13.4<span></span>
</td>
<td class="nump">7.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPayableCurrent', window );">Interest Payable</a></td>
<td class="nump">7.0<span></span>
</td>
<td class="nump">4.3<span></span>
</td>
<td class="nump">6.9<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other Current Liabilities</a></td>
<td class="nump">19.9<span></span>
</td>
<td class="nump">19.5<span></span>
</td>
<td class="nump">15.5<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total Current Liabilities</a></td>
<td class="nump">164.8<span></span>
</td>
<td class="nump">192.5<span></span>
</td>
<td class="nump">146.3<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrentAbstract', window );"><strong>Noncurrent Liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent', window );">Retirement Benefit Obligations</a></td>
<td class="nump">122.9<span></span>
</td>
<td class="nump">121.5<span></span>
</td>
<td class="nump">151.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesNoncurrent', window );">Deferred Income Taxes, Net</a></td>
<td class="nump">103.8<span></span>
</td>
<td class="nump">97.8<span></span>
</td>
<td class="nump">87.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationsNoncurrent', window );">Cost of Removal Obligations</a></td>
<td class="nump">93.7<span></span>
</td>
<td class="nump">90.7<span></span>
</td>
<td class="nump">86.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liabilities</a></td>
<td class="nump">47.4<span></span>
</td>
<td class="nump">47.0<span></span>
</td>
<td class="nump">49.1<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other Noncurrent Liabilities</a></td>
<td class="nump">10.7<span></span>
</td>
<td class="nump">10.1<span></span>
</td>
<td class="nump">12.1<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrent', window );">Total Noncurrent Liabilities</a></td>
<td class="nump">378.5<span></span>
</td>
<td class="nump">367.1<span></span>
</td>
<td class="nump">386.4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalizationLongtermDebtAndEquityAbstract', window );"><strong>Capitalization:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-Term Debt, Less Current Portion</a></td>
<td class="nump">373.0<span></span>
</td>
<td class="nump">387.4<span></span>
</td>
<td class="nump">363.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityAbstract', window );"><strong>Stockholders' Equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStocksIncludingAdditionalPaidInCapital', window );">Common Equity (Authorized: 25,000,000 and Outstanding:14,916,044, 14,860,123 and 14,876,955 Shares)</a></td>
<td class="nump">280.7<span></span>
</td>
<td class="nump">279.1<span></span>
</td>
<td class="nump">277.4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained Earnings</a></td>
<td class="nump">93.0<span></span>
</td>
<td class="nump">72.0<span></span>
</td>
<td class="nump">71.0<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CommonStockEquity', window );">Total Common Stock Equity</a></td>
<td class="nump">373.7<span></span>
</td>
<td class="nump">351.1<span></span>
</td>
<td class="nump">348.4<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred Stock</a></td>
<td class="nump">0.2<span></span>
</td>
<td class="nump">0.2<span></span>
</td>
<td class="nump">0.2<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total Stockholders' Equity</a></td>
<td class="nump">373.9<span></span>
</td>
<td class="nump">351.3<span></span>
</td>
<td class="nump">348.6<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalizationLongtermDebtAndEquity', window );">Total Capitalization</a></td>
<td class="nump">746.9<span></span>
</td>
<td class="nump">738.7<span></span>
</td>
<td class="nump">711.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and Contingencies (Notes 6 &amp; 7)</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">TOTAL LIABILITIES AND CAPITALIZATION</a></td>
<td class="nump">$ 1,290.2<span></span>
</td>
<td class="nump">$ 1,298.3<span></span>
</td>
<td class="nump">$ 1,244.3<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130549-203045<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=115929826&amp;loc=d3e8736-108599<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6801-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalizationLongtermDebtAndEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalizationLongtermDebtAndEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalizationLongtermDebtAndEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalizationLongtermDebtAndEquityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3044-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStocksIncludingAdditionalPaidInCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of par value plus amounts in excess of par value or issuance value for common stock issued.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStocksIncludingAdditionalPaidInCapital</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31958-109318<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31931-109318<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyMarketingContractLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e7018-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6935-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryRawMaterialsAndSupplies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(4),(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryRawMaterialsAndSupplies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(26))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseRightOfUseAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's right to use underlying asset under operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseRightOfUseAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6904-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherReceivablesNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherReceivablesNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109237824&amp;loc=d3e1703-114919<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 712<br> -SubTopic 10<br> -Section 25<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6410138&amp;loc=d3e79691-111665<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109237824&amp;loc=d3e1731-114919<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrepaidExpenseAndOtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrepaidExpenseAndOtherAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of property, plant and equipment (PPE) related to regulated assets common to business units.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of construction work in progress in public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of total net PPE.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of total gross PPE.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of property, plant and equipment (PPE) related to transmission and distribution owned by public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermBorrowings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermBorrowings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=27010918&amp;loc=d3e74512-122707<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnbilledContractsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 310<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68054760&amp;loc=d3e55302-109406<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.3(c)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnbilledContractsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageCostInventoryAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of weighted average cost inventory present at the reporting date when inventory is valued using different valuation methods.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageCostInventoryAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_CommonStockEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Common Stock Equity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_CommonStockEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PublicUtilitiesPropertyPlantAndEquipmentGas">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities Property Plant and Equipment related to Gas Operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PublicUtilitiesPropertyPlantAndEquipmentGas</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6944278880">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares<br></strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common Stock Authorized</a></td>
<td class="nump">25,000,000<span></span>
</td>
<td class="nump">25,000,000<span></span>
</td>
<td class="nump">25,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common Equity Outstanding</a></td>
<td class="nump">14,916,044<span></span>
</td>
<td class="nump">14,876,955<span></span>
</td>
<td class="nump">14,860,123<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
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<head>
<title></title>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786152464">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Operating Activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net Income</a></td>
<td class="nump">$ 26.5<span></span>
</td>
<td class="nump">$ 15.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to Reconcile Net Income to Cash Provided by Operating Activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization', window );">Depreciation and Amortization</a></td>
<td class="nump">13.8<span></span>
</td>
<td class="nump">12.3<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred Tax Provision</a></td>
<td class="nump">8.2<span></span>
</td>
<td class="nump">4.7<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnSaleOfBusiness', window );">Gain on Divestiture, Net (See Note 1)</a></td>
<td class="num">(13.4)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Changes in Working Capital Items:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivable', window );">Accounts Receivable</a></td>
<td class="num">(7.1)<span></span>
</td>
<td class="num">(7.0)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInContractWithCustomerAsset', window );">Accrued Revenue</a></td>
<td class="nump">14.5<span></span>
</td>
<td class="nump">8.2<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInReceivables', window );">Exchange Gas Receivable</a></td>
<td class="nump">7.7<span></span>
</td>
<td class="nump">5.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="nump">3.5<span></span>
</td>
<td class="nump">1.7<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayable', window );">Accounts Payable</a></td>
<td class="num">(9.6)<span></span>
</td>
<td class="num">(11.4)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet', window );">Other Changes in Working Capital Items</a></td>
<td class="nump">0.3<span></span>
</td>
<td class="nump">3.6<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ChangeInDeferredRegulatoryAndOtherCharges', window );">Deferred Regulatory and Other Charges</a></td>
<td class="num">(6.9)<span></span>
</td>
<td class="num">(7.9)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet', window );">Other, Net</a></td>
<td class="nump">0.3<span></span>
</td>
<td class="nump">3.0<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Cash Provided by Operating Activities</a></td>
<td class="nump">37.8<span></span>
</td>
<td class="nump">28.4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>Investing Activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Property, Plant and Equipment Additions</a></td>
<td class="num">(10.9)<span></span>
</td>
<td class="num">(10.1)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromDivestitureOfBusinesses', window );">Proceeds from Divestiture, Net (See Note 1)</a></td>
<td class="nump">13.4<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Cash Provided by (Used in) Investing Activities</a></td>
<td class="nump">2.5<span></span>
</td>
<td class="num">(10.1)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>Financing Activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromRepaymentsOfShortTermDebt', window );">(Repayment of) Proceeds from Short-Term Debt, Net</a></td>
<td class="num">(17.0)<span></span>
</td>
<td class="nump">7.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Repayment of Long-Term Debt</a></td>
<td class="num">(13.4)<span></span>
</td>
<td class="num">(13.4)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations', window );">Decrease in Capital Lease Obligations</a></td>
<td class="num">(0.9)<span></span>
</td>
<td class="num">(0.8)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncreaseDecreaseInGasInventoryFinancing', window );">Net Decrease in Exchange Gas Financing</a></td>
<td class="num">(7.3)<span></span>
</td>
<td class="num">(5.4)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDividends', window );">Dividends Paid</a></td>
<td class="num">(5.5)<span></span>
</td>
<td class="num">(5.4)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from Issuance of Common Stock</a></td>
<td class="nump">0.3<span></span>
</td>
<td class="nump">0.3<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Cash (Used in) Financing Activities</a></td>
<td class="num">(43.8)<span></span>
</td>
<td class="num">(17.7)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">Net (Decrease) Increase in Cash and Cash Equivalents</a></td>
<td class="num">(3.5)<span></span>
</td>
<td class="nump">0.6<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations', window );">Cash and Cash Equivalents at Beginning of Period</a></td>
<td class="nump">7.8<span></span>
</td>
<td class="nump">8.9<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations', window );">Cash and Cash Equivalents at End of Period</a></td>
<td class="nump">4.3<span></span>
</td>
<td class="nump">9.5<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>Supplemental Cash Flow Information:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest Paid</a></td>
<td class="nump">3.6<span></span>
</td>
<td class="nump">3.6<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaidNet', window );">Income Taxes Paid</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.2<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsIncurred', window );">Payments on Capital Leases</a></td>
<td class="nump">0.8<span></span>
</td>
<td class="nump">0.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NoncashInvestingActivityAbstract', window );"><strong>Non-cash Investing Activity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalExpendituresIncurredButNotYetPaid', window );">Capital Expenditures Included in Accounts Payable</a></td>
<td class="nump">0.7<span></span>
</td>
<td class="nump">$ 0.5<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability', window );">Right-of-Use Assets Obtained in Exchange for Lease Obligations</a></td>
<td class="nump">$ 3.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalExpendituresIncurredButNotYetPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Future cash outflow to pay for purchases of fixed assets that have occurred.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4332-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4313-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalExpendituresIncurredButNotYetPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligationsIncurred">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase during the period in capital lease obligations due to entering into new capital leases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4313-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligationsIncurred</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=SL98516268-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3521-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3044-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513438&amp;loc=d3e33268-110906<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainLossOnSaleOfBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4582445-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnSaleOfBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxesPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4297-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInContractWithCustomerAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInContractWithCustomerAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingCapitalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in current operating assets after deduction of current operating liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInReceivables">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInReceivables</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInRegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInRegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3367-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3536-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3521-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfDividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDividends</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromDivestitureOfBusinesses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromDivestitureOfBusinesses</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromRepaymentsOfShortTermDebt</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669619-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669625-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=115929826&amp;loc=d3e8736-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3000-108585<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=108774443&amp;loc=SL4569616-111683<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=115929826&amp;loc=d3e8933-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfLongTermDebt</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in right-of-use asset obtained in exchange for operating lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=77888399&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplementalCashFlowInformationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplementalCashFlowInformationAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for depreciation and amortization of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net change during the reporting period in deferred regulatory and other charges.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ChangeInDeferredRegulatoryAndOtherCharges</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net change during the reporting period in exchange gas financing.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_IncreaseDecreaseInGasInventoryFinancing</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Noncash Investing Activity [Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_NoncashInvestingActivityAbstract</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Proceeds from (Repayments of) Debt and Capital Lease Obligations</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ProceedsFromRepaymentsOfDebtAndCapitalLeaseObligations</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786119920">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCK EQUITY - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Total</div></th>
<th class="th"><div>Common Equity</div></th>
<th class="th"><div>Retained Earnings</div></th>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CommonStockEquity', window );">Beginning Balance at Dec. 31, 2017</a></td>
<td class="nump">$ 336.6<span></span>
</td>
<td class="nump">$ 275.8<span></span>
</td>
<td class="nump">$ 60.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net Income</a></td>
<td class="nump">15.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStock', window );">Dividends on Common Shares</a></td>
<td class="num">(5.4)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(5.4)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation', window );">Stock Compensation Plans</a></td>
<td class="nump">1.3<span></span>
</td>
<td class="nump">1.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Issuance of Common Shares</a></td>
<td class="nump">0.3<span></span>
</td>
<td class="nump">0.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CommonStockEquity', window );">Ending Balance at Mar. 31, 2018</a></td>
<td class="nump">348.4<span></span>
</td>
<td class="nump">277.4<span></span>
</td>
<td class="nump">71.0<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CommonStockEquity', window );">Beginning Balance at Dec. 31, 2018</a></td>
<td class="nump">351.1<span></span>
</td>
<td class="nump">279.1<span></span>
</td>
<td class="nump">72.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net Income</a></td>
<td class="nump">26.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">26.5<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStock', window );">Dividends on Common Shares</a></td>
<td class="num">(5.5)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(5.5)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation', window );">Stock Compensation Plans</a></td>
<td class="nump">1.3<span></span>
</td>
<td class="nump">1.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Issuance of Common Shares</a></td>
<td class="nump">0.3<span></span>
</td>
<td class="nump">0.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CommonStockEquity', window );">Ending Balance at Mar. 31, 2019</a></td>
<td class="nump">$ 373.7<span></span>
</td>
<td class="nump">$ 280.7<span></span>
</td>
<td class="nump">$ 93.0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 405<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6957935&amp;loc=d3e64057-112817<br></p></div>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669619-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669625-108580<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5047-113901<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Common Stock Equity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6591995808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCK EQUITY (Parenthetical) - shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock, shares issued</a></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6593979680">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SignificantAccountingPoliciesTextBlock', window );">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE 1 &#x2013; SUMMARY
 OF SIGNIFICANT ACCOUNTING POLICIES</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Nature of Operations</b>
 &#x2013; Unitil Corporation (Unitil or the Company) is a public
 utility holding company. Unitil and its subsidiaries are subject to
 regulation as a holding company system by the Federal Energy
 Regulatory Commission (FERC) under the Energy Policy Act of 2005.
 The following companies are wholly-owned subsidiaries of Unitil:
 Unitil Energy Systems, Inc. (Unitil Energy), Fitchburg Gas and
 Electric Light Company (Fitchburg), Northern Utilities, Inc.
 (Northern Utilities), Granite State Gas Transmission, Inc. (Granite
 State), Unitil Power Corp. (Unitil Power), Unitil Realty Corp.
 (Unitil Realty), Unitil Service Corp. (Unitil Service) and its
 <font style="WHITE-SPACE: nowrap">non-regulated</font> business
 unit Unitil Resources, Inc. (Unitil Resources). Usource Inc. and
 Usource L.L.C., which the Company sold in the first quarter of
 2019, were wholly-owned subsidiaries of Unitil
 Resources.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company&#x2019;s
 earnings are seasonal and are typically higher in the first and
 fourth quarters when customers use natural gas for heating
 purposes.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Unitil&#x2019;s principal
 business is the local distribution of electricity in the
 southeastern seacoast and state capital regions of New Hampshire
 and the greater Fitchburg area of north central Massachusetts, and
 the local distribution of natural gas in southeastern New
 Hampshire, portions of southern and central Maine and in the
 greater Fitchburg area of north central Massachusetts. Unitil has
 three distribution utility subsidiaries, Unitil Energy, which
 operates in New Hampshire, Fitchburg, which operates in
 Massachusetts and Northern Utilities, which operates in New
 Hampshire and Maine (collectively referred to as the distribution
 utilities).</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Granite State is a natural
 gas transportation pipeline, operating 86 miles of underground gas
 transmission pipeline primarily located in Maine and New Hampshire.
 Granite State provides Northern Utilities with interconnection to
 three major natural gas pipelines and access to domestic natural
 gas supplies in the south and Canadian natural gas supplies in the
 north. Granite State derives its revenues principally from the
 transportation services provided to Northern Utilities and, to a
 lesser extent, third-party marketers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">A fifth utility subsidiary,
 Unitil Power, formerly functioned as the full requirements
 wholesale power supply provider for Unitil Energy. In connection
 with the implementation of electric industry restructuring in New
 Hampshire, Unitil Power ceased being the wholesale supplier of
 Unitil Energy on May&#xA0;1, 2003 and divested of its long-term
 power supply contracts through the sale of the entitlements to the
 electricity associated with various electric power supply contracts
 it had acquired to serve Unitil Energy&#x2019;s
 customers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Unitil also has three other
 wholly-owned subsidiaries: Unitil Service; Unitil Realty; and
 Unitil Resources. Unitil Service provides, at cost, a variety of
 administrative and professional services, including regulatory,
 financial, accounting, human resources, engineering, operations,
 technology, energy management and management services on a
 centralized basis to its affiliated Unitil companies. Unitil Realty
 owns and manages the Company&#x2019;s corporate office in Hampton,
 New Hampshire and leases this facility to Unitil Service under a
 long-term lease arrangement. Unitil Resources is the
 Company&#x2019;s wholly-owned <font style="WHITE-SPACE: nowrap">non-regulated</font> subsidiary. Usource,
 Inc. and Usource L.L.C. (collectively, Usource), which the Company
 divested of in the first quarter of 2019, were wholly-owned
 subsidiaries of Unitil Resources. Usource provided brokering and
 advisory services to large commercial and industrial customers in
 the northeastern United States. See additional discussion of the
 divestiture of Usource below.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Basis of Presentation
 &#x2013;</b> The accompanying unaudited consolidated financial
 statements of Unitil have been prepared in accordance with the
 instructions to Form <font style="WHITE-SPACE: nowrap">10-Q</font>
 and include all of the information and footnotes required by
 generally accepted accounting principles. In the opinion of
 management, all adjustments considered necessary for a fair
 presentation have been included. The results of operations for the
 three months ended March&#xA0;31, 2019 are not necessarily
 indicative of results to be expected for the year ending
 December&#xA0;31, 2019. For further information, please refer to
 Note 1 of Part II to the Consolidated Financial Statements &#x2013;
 &#x201C;Summary of Significant Accounting Policies&#x201D; of the
 Company&#x2019;s Form <font style="WHITE-SPACE: nowrap">10-K</font>
 for the year ended December&#xA0;31, 2018, as filed with the
 Securities and Exchange Commission (SEC) on January&#xA0;31, 2019,
 for a description of the Company&#x2019;s Basis of
 Presentation.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Divestiture of
 <font style="WHITE-SPACE: nowrap">Non-Regulated</font> Business
 Subsidiary &#x2013;</b> On March&#xA0;1, 2019, the Company divested
 of its <font style="WHITE-SPACE: nowrap">non-regulated</font>
 energy brokering and advisory business subsidiary, Usource. The
 Company recognized an <font style="WHITE-SPACE: nowrap">after-tax</font> net gain of approximately
 $9.8&#xA0;million on this divestiture in the first quarter of 2019.
 The <font style="WHITE-SPACE: nowrap">pre-tax</font> net gain of
 approximately $13.4&#xA0;million on this divestiture is included in
 Other Income (Expense), Net on the Consolidated Statements of
 Earnings for the three months ended March&#xA0;31, 2019, while the
 income taxes associated with this transaction of $3.6&#xA0;million
 are included in the Provision For Income Taxes.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Utility Revenue
 Recognition &#x2013;</b> Gas Operating Revenues and Electric
 Operating Revenues consist of billed and unbilled revenue and
 revenue from rate adjustment mechanisms. Billed and unbilled
 revenue includes delivery revenue and pass-through revenue,
 recognized according to tariffs approved by federal and state
 regulatory commissions which determine the amount of revenue the
 Company will record for these items. Revenue from rate adjustment
 mechanisms is accrued revenue, recognized in connection with rate
 adjustment mechanisms, and authorized by regulators for recognition
 in the current period for future cash recoveries from, or credits
 to, customers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and unbilled revenue
 is recorded when service is rendered or energy is delivered to
 customers. However, the determination of energy sales to individual
 customers is based on the reading of their meters, which occurs on
 a systematic basis throughout the month. At the end of each
 calendar month, amounts of energy delivered to customers since the
 date of the last meter reading are estimated and the corresponding
 unbilled revenues are calculated. These unbilled revenues are
 calculated each month based on estimated customer usage by class
 and applicable customer rates and are then reversed in the
 following month when billed to customers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">A majority of the
 Company&#x2019;s revenue from contracts with customers continues to
 be recognized on a monthly basis based on applicable tariffs and
 customer monthly consumption. Such revenue is recognized using the
 invoice practical expedient which allows an entity to recognize
 revenue in the amount that directly corresponds to the value
 transferred to the customer.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company&#x2019;s billed
 and unbilled revenue meets the definition of &#x201C;revenues from
 contracts with customers&#x201D; as defined in ASU <font style="WHITE-SPACE: nowrap">2014-09.</font> Revenue recognized in
 connection with rate adjustment mechanisms is consistent with the
 definition of alternative revenue programs in Accounting Standards
 Codification (ASC) <font style="WHITE-SPACE: nowrap"><font style="WHITE-SPACE: nowrap"><font style="WHITE-SPACE: nowrap">980-605-25-3,</font></font></font> as the
 Company has the ability to adjust rates in the future as a result
 of past activities or completed events. ASU <font style="WHITE-SPACE: nowrap">2014-09</font> requires the Company to
 disclose separately the amount of revenues from contracts with
 customers and alternative revenue program revenues.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">In the following tables,
 revenue is classified by the types of goods/services rendered and
 market/customer type.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="80%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>&#xA0;&#xA0;&#xA0;&#xA0;Three&#xA0;Months&#xA0;Ended&#xA0;March&#xA0;31,&#xA0;2019&#xA0;&#xA0;&#xA0;&#xA0;
 &#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas and
 Electric Operating Revenues ($ millions):</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Residential</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">38.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">35.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">C&amp;I</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">54.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">24.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">78.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">99.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">62.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">161.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(12.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(10.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas and Electric
 Operating Revenues</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>86.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>64.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>151.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="78%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>&#xA0;&#xA0;&#xA0;&#xA0;Three&#xA0;Months&#xA0;Ended&#xA0;March&#xA0;31,&#xA0;2018&#xA0;&#xA0;&#xA0;&#xA0;
 &#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas and
 Electric Operating Revenues ($ millions):</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Residential</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">35.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">70.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">C&amp;I</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">24.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">91.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">61.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">153.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(8.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas and Electric
 Operating Revenues</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>87.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>57.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>144.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg is subject to
 revenue decoupling. Revenue decoupling is the term given to the
 elimination of the dependency of a utility&#x2019;s distribution
 revenue on the volume of electricity or natural gas sales. The
 difference between distribution revenue amounts billed to customers
 and the targeted revenue decoupling amounts is recorded as an
 increase or a decrease in Accrued Revenue, which forms the basis
 for resetting rates for future cash recoveries from, or credits to,
 customers. These revenue decoupling targets may be adjusted as a
 result of rate cases that the Company files with the
 MDPU.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Other Operating Revenue
 &#x2013; <font style="WHITE-SPACE: nowrap">Non-regulated</font>
 &#x2013;</b> Other Operating Revenue consists solely ofrevenue from
 Usource, Unitil&#x2019;s <font style="WHITE-SPACE: nowrap">non-regulated</font> subsidiary, which, as
 discussed previously, the Company divested of on March&#xA0;1,
 2019. Usource conducted its business activities as a broker of
 competitive energy services. Usource did not take title to the
 electric and gas commodities which were the subject of the
 brokerage contracts. The Company recorded energy brokering revenues
 based upon the amount of electricity and gas delivered to customers
 through the end of the accounting period. Usource partnered with
 certain entities to facilitate these brokerage services and paid
 these entities a fee under revenue sharing agreements.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Income Taxes &#x2013;</b>
 The Company is subject to Federal and State income taxes as well as
 various other business taxes. This process involves estimating the
 Company&#x2019;s current tax liabilities as well as assessing
 temporary and permanent differences resulting from the timing of
 the deductions of expenses and recognition of taxable income for
 tax and book accounting purposes. These temporary differences
 result in deferred tax assets and liabilities, which are included
 in the Company&#x2019;s Consolidated Balance Sheets. The Company
 accounts for income tax assets, liabilities and expenses in
 accordance with the FASB Codification guidance on Income
 Taxes.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company classifies
 penalty and interest expense related to income tax liabilities as
 income tax expense and interest expense, respectively, in the
 Consolidated Statements of Earnings.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Provisions for income taxes
 are calculated in each of the jurisdictions in which the Company
 operates for each period for which a statement of earnings is
 presented. The Company accounts for income taxes in accordance with
 the FASB Codification guidance on Income Taxes, which requires an
 asset and liability approach for the financial accounting and
 reporting of income taxes. Significant judgments and estimates are
 required in determining the current and deferred tax assets and
 liabilities. The Company&#x2019;s current and deferred tax assets
 and liabilities reflect its best assessment of estimated future
 taxes to be paid. In accordance with the FASB Codification, the
 Company periodically assesses the realization of its deferred tax
 assets and liabilities and adjusts the income tax provision, the
 current tax liability and deferred taxes in the period in which the
 facts and circumstances which gave rise to the revision become
 known.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Cash and Cash
 Equivalents &#x2013;</b> Cash and Cash Equivalents includes all cash
 and cash equivalents to which the Company has legal title. Cash
 equivalents include short-term investments with original maturities
 of three months or less and interest bearing deposits. The
 Company&#x2019;s cash and cash equivalents are held at financial
 institutions and at times may exceed federally insured limits. The
 Company has not experienced any losses in such accounts. Under the
 Independent System Operator &#x2013; New England <font style="WHITE-SPACE: nowrap">(ISO-NE)</font> Financial Assurance Policy
 (Policy), Unitil&#x2019;s subsidiaries Unitil Energy, Fitchburg and
 Unitil Power are required to provide assurance of their ability to
 satisfy their obligations to <font style="WHITE-SPACE: nowrap">ISO-NE.</font> Under this Policy,
 Unitil&#x2019;s subsidiaries provide cash deposits covering
 approximately <font style="WHITE-SPACE: nowrap">2-1/2</font> months
 of outstanding obligations, less credit amounts that are based on
 the Company&#x2019;s credit rating. As of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the Unitil
 subsidiaries had deposited $3.0&#xA0;million, $3.3&#xA0;million and
 $3.5&#xA0;million, respectively to satisfy their <font style="WHITE-SPACE: nowrap">ISO-NE</font> obligations.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Allowance for Doubtful
 Accounts &#x2013;</b> The Company recognizes a provision for
 doubtful accounts each month based upon the Company&#x2019;s
 experience in collecting electric and gas utility service accounts
 receivable in prior years. At the end of each month, an analysis of
 the delinquent receivables is performed which takes into account an
 assumption about the cash recovery of delinquent receivables. The
 analysis also calculates the amount of <font style="WHITE-SPACE: nowrap">written-off</font> receivables that are
 recoverable through regulatory rate reconciling mechanisms. The
 Company&#x2019;s distribution utilities are authorized by regulators
 to recover the costs of their energy commodity portion of bad debts
 through rate mechanisms. Also, the electric and gas divisions of
 Fitchburg are authorized to recover through rates past due amounts
 associated with hardship accounts that are protected from
 <font style="WHITE-SPACE: nowrap">shut-off.</font> Evaluating the
 adequacy of the Allowance for Doubtful Accounts requires judgment
 about the assumptions used in the analysis. It has been the
 Company&#x2019;s experience that the assumptions it has used in
 evaluating the adequacy of the Allowance for Doubtful Accounts have
 proven to be reasonably accurate.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Allowance for Doubtful
 Accounts as of March&#xA0;31, 2019, March&#xA0;31, 2018 and
 December&#xA0;31, 2018, which are included in Accounts Receivable,
 Net on the accompanying unaudited consolidated balance sheets, was
 as follows:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="10"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Allowance for Doubtful
 Accounts</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Accrued Revenue
 &#x2013;</b> Accrued Revenue includes the current portion of
 Regulatory Assets and unbilled revenues. The following table shows
 the components of Accrued Revenue as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Accrued
 Revenue ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Regulatory Assets &#x2013;
 Current</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>29.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">41.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Unbilled
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">13.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Accrued
 Revenue</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>40.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">45.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">54.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Exchange Gas Receivable
 &#x2013;</b> Northern Utilities and Fitchburg have gas exchange and
 storage agreements whereby natural gas purchases during the months
 of April through October are delivered to a third party. The third
 party delivers natural gas back to the Company during the months of
 November through March. The exchange and storage gas volumes are
 recorded at weighted average cost. The following table shows the
 components of Exchange Gas Receivable as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Exchange Gas
 Receivable ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Northern
 Utilities</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Exchange Gas
 Receivable</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Gas Inventory</b>
 &#x2013; The Company uses the weighted average cost methodology to
 value natural gas inventory. The following table shows the
 components of Gas Inventory as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas
 Inventory ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Natural Gas</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Propane</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Liquefied Natural
 Gas&#xA0;&amp; Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas
 Inventory</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Utility Plant
 &#x2013;</b> The cost of additions to Utility Plant and the cost of
 renewals and betterments are capitalized. Cost consists of labor,
 materials, services and certain indirect construction costs,
 including an allowance for funds used during construction (AFUDC).
 The costs of current repairs and minor replacements are charged to
 appropriate operating expense accounts. The original cost of
 utility plant retired or otherwise disposed of is charged to the
 accumulated provision for depreciation. The Company includes in its
 mass asset depreciation rates, which are periodically reviewed as
 part of its ratemaking proceedings, cost of removal amounts to
 provide for future negative salvage value. At March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the Company
 estimates that the cost of removal amounts, which are recorded on
 the Consolidated Balance Sheets in Cost of Removal Obligations are
 $93.7&#xA0;million, $86.6&#xA0;million, and $90.7&#xA0;million,
 respectively.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Leases &#x2013;</b> On
 January&#xA0;1, 2019, the Company adopted ASU <font style="WHITE-SPACE: nowrap">No.&#xA0;2016-02,</font> &#x201C;Leases (Topic
 842)&#x201D;<i>.</i> The new standard requires lessees to record
 assets and liabilities on the balance sheet for all leases with
 terms longer than 12 months. Leases will be classified as either
 finance or operating, with classification affecting the pattern of
 expense recognition in the income statement. The Company elected
 the package of practical expedients permitted under the transition
 guidance within the new standard, which among other things, allows
 the Company to carryforward the historical lease classification.
 The Company also elected the practical expedient related to land
 easements, allowing the Company to carry forward its current
 accounting treatment for land easements on existing agreements. The
 Company made an accounting policy election to keep leases with an
 initial term of 12 months or less off of the balance sheet. The
 Company recognizes those lease payments in the Consolidated
 Statements of Earnings on a straight-line basis over the lease
 term.&#xA0;The adoption of the standard resulted in recognition of
 approximately $4.2&#xA0;million of lease assets and lease
 liabilities as of January&#xA0;1, 2019 on the Company&#x2019;s
 Consolidated Balance Sheets. The Company&#x2019;s adoption of the
 standard did not have a material effect on its Consolidated
 Statements of Earnings and Consolidated Statements of Cash
 Flows.&#xA0;See additional discussion below in the
 &#x201C;Leases&#x201D; section of Note 4 to the Consolidated
 Financial Statements.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Accounting
 &#x2013;</b> The Company&#x2019;s principal business is the
 distribution of electricity and natural gas by the three
 distribution utilities: Unitil Energy, Fitchburg and Northern
 Utilities. Unitil Energy and Fitchburg are subject to regulation by
 the FERC. Fitchburg is also regulated by the Massachusetts
 Department of Public Utilities (MDPU), Unitil Energy is regulated
 by the New Hampshire Public Utilities Commission (NHPUC) and
 Northern Utilities is regulated by the Maine Public Utilities
 Commission (MPUC) and NHPUC. Granite State, the Company&#x2019;s
 natural gas transmission pipeline, is regulated by the FERC.
 Accordingly, the Company uses the Regulated Operations guidance as
 set forth in the FASB Codification. The Company has recorded
 Regulatory Assets and Regulatory Liabilities which will be
 recovered from customers, or applied for customer benefit, in
 accordance with rate provisions approved by the applicable public
 utility regulatory commission.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="78%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulatory
 Assets consist of the following ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Retirement
 Benefits</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>72.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">85.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">72.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Energy Supply&#xA0;&amp;
 Other Rate Adjustment Mechanisms</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>25.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">31.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">38.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Deferred Storm
 Charges</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Environmental</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">9.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Income Taxes</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Deferred
 Charges</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>11.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Regulatory
 Assets</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>127.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">145.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">140.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current Portion of
 Regulatory Assets</font><font style="FONT-FAMILY: Times New Roman" size="1"><sup style="VERTICAL-ALIGN: baseline; POSITION: relative; BOTTOM: 0.8ex">(1)</sup></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>29.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">41.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Assets
 &#x2013; noncurrent</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>97.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">111.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">99.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Reflects amounts included
 in Accrued Revenue, discussed above, on the Company&#x2019;s
 Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulatory
 Liabilities consist of the following ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Income Taxes (Note
 8)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>48.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">49.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Energy Supply&#xA0;&amp;
 Other Rate Adjustment Mechanisms</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>13.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">11.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Gas Pipeline Refund (Note
 6)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Regulatory
 Liabilities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>62.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">60.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">58.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current Portion of
 Regulatory Liabilities</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">11.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Liabilities
 &#x2013; noncurrent</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>47.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">49.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Generally, the Company
 receives a return on investment on its regulated assets for which a
 cash outflow has been made. Included in Regulatory Assets as of
 March&#xA0;31, 2019 are $5.9&#xA0;million of environmental costs,
 rate case costs and other expenditures to be recovered over varying
 periods in the next seven years. Regulators have authorized
 recovery of these expenditures, but without a return. Regulatory
 commissions can reach different conclusions about the recovery of
 costs, which can have a material impact on the Company&#x2019;s
 Consolidated Financial Statements. The Company believes it is
 probable that its regulated distribution and transmission utilities
 will recover their investments in long-lived assets, including
 regulatory assets. If the Company, or a portion of its assets or
 operations, were to cease meeting the criteria for application of
 these accounting rules, accounting standards for businesses in
 general would become applicable and immediate recognition of any
 previously deferred costs, or a portion of deferred costs, would be
 required in the year in which the criteria are no longer met, if
 such deferred costs were not recoverable in the portion of the
 business that continues to meet the criteria for application of the
 FASB Codification topic on Regulated Operations. If unable to
 continue to apply the FASB Codification provisions for Regulated
 Operations, the Company would be required to apply the provisions
 for the Discontinuation of Rate-Regulated Accounting included in
 the FASB Codification. In the Company&#x2019;s opinion, its
 regulated operations will be subject to the FASB Codification
 provisions for Regulated Operations for the foreseeable
 future.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Derivatives &#x2013;</b>
 The Company&#x2019;s regulated energy subsidiaries enter into energy
 supply contracts to serve their electric and gas customers. The
 Company follows a procedure for determining whether each contract
 qualifies as a derivative instrument under the guidance provided by
 the FASB Codification on Derivatives and Hedging. For each
 contract, the Company reviews and documents the key terms of the
 contract. Based on those terms and any additional relevant
 components of the contract, the Company determines and documents
 whether the contract qualifies as a derivative instrument as
 defined in the FASB Codification. The Company has determined that
 none of its energy supply contracts qualify as a derivative
 instrument under the guidance set forth in the FASB
 Codification.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Investments in
 Marketable Securities</b> &#x2013; The Company has a trust through
 which it invests in a variety of equity and fixed income mutual
 funds. These funds are intended to satisfy obligations under the
 Company&#x2019;s Supplemental Executive Retirement Plan (SERP) (See
 further discussion of the SERP in Note 9.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">At March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the fair value of
 the Company&#x2019;s investments in these trading securities, which
 are recorded on the Consolidated Balance Sheets in Other Assets,
 were $5.1&#xA0;million, $5.1 and $4.8&#xA0;million, respectively,
 as shown in the table below. These investments are valued based on
 quoted prices from active markets and are categorized in
 Level&#xA0;1 as they are actively traded and no valuation
 adjustments have been applied. Changes in the fair value of these
 investments are recorded in Other Expense, Net.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair Value
 of Marketable Securities ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Equity Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Fixed Income
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Money Market
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Marketable
 Securities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company also sponsors
 the Unitil Corporation Deferred Compensation Plan (the &#x201C;DC
 Plan&#x201D;). The DC Plan is a <font style="WHITE-SPACE: nowrap">non-qualified</font> deferred compensation
 plan that provides a vehicle for participants to accumulate
 <font style="WHITE-SPACE: nowrap">tax-deferred</font> savings to
 supplement retirement income. The DC Plan, which was effective
 January&#xA0;1, 2019, is open to senior management or other highly
 compensated employees as determined by the Company&#x2019;s Board of
 Directors, and may also be used for recruitment and retention
 purposes for newly hired senior executives. The DC Plan design
 mirrors the Company&#x2019;s Tax Deferred Savings and Investment
 Plan formula, but provides for contributions on compensation above
 the IRS limit, which will allow participants to defer up to 85% of
 base salary, and up to 85% of any cash incentive for retirement.
 The Company may also elect to make discretionary contributions on
 behalf of any participant in an amount determined by the
 Company&#x2019;s Board of Directors. A trust has been established to
 invest the funds associated with the DC Plan.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">At March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the fair value of
 the Company&#x2019;s investments in these trading securities related
 to the DC Plan, which are recorded on the Consolidated Balance
 Sheets in Other Assets, were $0.1&#xA0;million, $0 and $0,
 respectively, as shown in the table below. These investments are
 valued based on quoted prices from active markets and are
 categorized in Level&#xA0;1 as they are actively traded and no
 valuation adjustments have been applied. Changes in the fair value
 of these investments are recorded in Other Expense, Net.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair Value
 of Marketable Securities ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Equity Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Money Market
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Marketable
 Securities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Energy Supply
 Obligations &#x2013;</b> The following discussion and table
 summarize the nature and amounts of the items recorded as Energy
 Supply Obligations (current portion) and Other Noncurrent
 Liabilities (noncurrent portion) on the Company&#x2019;s
 Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="81%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Energy
 Supply Obligations ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Current:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Exchange Gas
 Obligation</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Renewable Energy Portfolio
 Standards</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Power Supply Contract
 Divestitures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Energy Supply
 Obligations &#x2013; Current</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">13.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Long-Term:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Power Supply Contract
 Divestitures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Energy Supply
 Obligations</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Exchange Gas
 Obligation</b> &#x2013; As discussed above, Northern Utilities
 enters into gas exchange agreements under which Northern Utilities
 releases certain natural gas pipeline and storage assets, resells
 the natural gas storage inventory to an asset manager and
 subsequently repurchases the inventory over the course of the
 natural gas heating season at the same price at which it sold the
 natural gas inventory to the asset manager. The gas inventory
 related to these agreements is recorded in Exchange Gas Receivable
 on the Company&#x2019;s Consolidated Balance Sheets while the
 corresponding obligations are recorded in Energy Supply
 Obligations.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Renewable Energy
 Portfolio Standards</b> &#x2013; Renewable Energy Portfolio
 Standards (RPS) require retail electricity suppliers, including
 public utilities, to demonstrate that required percentages of their
 sales are met with power generated from certain types of resources
 or technologies. Compliance is demonstrated by purchasing and
 retiring Renewable Energy Certificates (REC) generated by
 facilities approved by the state as qualifying for REC treatment.
 Unitil Energy and Fitchburg purchase RECs in compliance with RPS
 legislation in New Hampshire and Massachusetts for supply provided
 to default service customers. RPS compliance costs are a supply
 cost that is recovered in customer default service rates. Unitil
 Energy and Fitchburg collect RPS compliance costs from customers
 throughout the year and demonstrate compliance for each calendar
 year on the following July 1. Due to timing differences between
 collection of revenue from customers and payment of REC costs to
 suppliers, Unitil Energy and Fitchburg typically maintain accrued
 revenue for RPS compliance which is recorded in Accrued Revenue
 with a corresponding liability in Energy Supply Obligations on the
 Company&#x2019;s Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg has entered into
 long-term renewable contracts for the purchase of clean energy
 and/or renewable energy certificates (RECs) pursuant to
 Massachusetts legislation, specifically, An Act Relative to Green
 Communities (&#x201C;Green Communities Act&#x201D;, 2008), An Act
 Relative to Competitively Priced Electricity in the Commonwealth
 (2012)&#xA0;and An Act to Promote Energy Diversity (&#x201C;Energy
 Diversity Act&#x201D;, 2016). The generating facilities associated
 with four of these contracts have been constructed and are now
 operating. Since 2017, the Company has participated in two major
 statewide procurements which resulted in contracts for imported
 hydroelectric power and associated transmission and for offshore
 wind generation. The contracts were filed with MDPU in 2018 and
 approvals remain pending.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Additional long-term clean
 energy contracts are expected in compliance with the Energy
 Diversity Act and An Act to Promote a Clean Energy Future (2018).
 Fitchburg recovers the costs associated with long-term renewable
 contracts on a fully reconciling basis through a MDPU-approved cost
 recovery mechanism.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Power Supply Contract
 Divestitures &#x2013;</b> Unitil Energy&#x2019;s and
 Fitchburg&#x2019;s customers are entitled to purchase their electric
 or natural gas supplies from third-party suppliers. In connection
 with the implementation of retail choice, Unitil Power, which
 formerly functioned as the wholesale power supply provider for
 Unitil Energy, and Fitchburg divested their long-term power supply
 contracts through the sale of the entitlements to the electricity
 sold under those contracts. Unitil Energy and Fitchburg recover in
 their rates all the costs associated with the divestiture of their
 power supply portfolios and have secured regulatory approval from
 the NHPUC and MDPU, respectively, for the recovery of power
 supply-related stranded costs. The obligations related to these
 divestitures are recorded in Energy Supply Obligations (current
 portion) and Other Noncurrent Liabilities (noncurrent portion) on
 the Company&#x2019;s Consolidated Balance Sheets with corresponding
 regulatory assets recorded in Accrued Revenue (current portion) and
 Regulatory Assets (noncurrent portion).</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Recently Issued
 Pronouncements &#x2013;</b> In February 2016, the FASB issued ASU
 <font style="WHITE-SPACE: nowrap">No.&#xA0;2016-02,</font>
 &#x201C;Leases (Topic 842)&#x201D;. The new standard requires lessees
 to record assets and liabilities on the balance sheet for all
 leases with terms longer than 12 months. The Company adopted the
 standard as of January&#xA0;1, 2019. See &#x201C;Leases&#x201D; above
 in Note 1.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Other than the
 pronouncement discussed above, there are no recently issued
 pronouncements that the Company has not already adopted or that
 have a material impact on the Company.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Subsequent Events
 &#x2013;</b> The Company evaluates all events or transactions
 through the date of the related filing. During the period through
 the date of this filing, the Company did not have any material
 subsequent events that would result in adjustment to or disclosure
 in its Consolidated Financial Statements.</font></p>
 </div><span></span>
</td>
</tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for all significant accounting policies of the reporting entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -URI http://asc.fasb.org/topic&amp;trid=2122369<br></p></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6591966432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DIVIDENDS DECLARED PER SHARE<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
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 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE 2 &#x2013; DIVIDENDS
 DECLARED PER SHARE</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="92%" align="center" border="0">
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 <td valign="bottom" width="17%"></td>
 <td></td>
 <td valign="bottom" width="17%"></td>
 <td></td>
 <td valign="bottom" width="17%"></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap" align="center">
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Declaration</b></font></p>
 <p style="MARGIN-BOTTOM: 1px; BORDER-BOTTOM: #000000 1px solid; MARGIN-TOP: 0px; DISPLAY: table-cell" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Date</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Date<br />
 Paid<br />
 (Payable)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Shareholder&#xA0;of</b></font><br />
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Record&#xA0;Date</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Dividend</b></font><br />
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Amount</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">04/24/19</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">05/29/19</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">05/15/19</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$&#xA0;0.370</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">01/30/19</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">02/28/19</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">02/14/19</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$&#xA0;0.370</font></td>
 </tr>
 <tr style="FONT-SIZE: 1pt">
 <td height="8"></td>
 <td height="8" colspan="2"></td>
 <td height="8" colspan="2"></td>
 <td height="8" colspan="2"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">10/24/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">11/29/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">11/15/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$0.365</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">07/25/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">08/29/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">08/15/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$0.365</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">04/25/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">05/29/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">05/15/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$&#xA0;0.365</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">01/30/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">02/28/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">02/14/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$&#xA0;0.365</font></td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_DisclosureOfDividendsDeclaredAndPaidTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of Dividends Declared and Paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">utl_DisclosureOfDividendsDeclaredAndPaidTextBlock</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6785972192">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SEGMENT INFORMATION<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingDisclosureTextBlock', window );">SEGMENT INFORMATION</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE 3 &#x2013; SEGMENT
 INFORMATION</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table
 provides significant segment financial data for the three months
 ended March&#xA0;31, 2019 and March&#xA0;31, 2018:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="71%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">&#xA0;<font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Non-</b></font><br />
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulated</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Other</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1pt">
 <td height="8"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Three Months
 Ended March&#xA0;31, 2019 ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Revenues:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>99.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>62.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>161.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(12.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(10.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Operating Revenue
 &#x2013; <font style="WHITE-SPACE: nowrap">Non-Regulated</font></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Operating
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>86.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>64.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>152.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Segment Profit
 (Loss)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>13.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>26.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Identifiable Segment
 Assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>771.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>502.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>16.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,290.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Capital
 Expenditures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>6.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1pt">
 <td height="8"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Three Months
 Ended March&#xA0;31, 2018 ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Revenues:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">91.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">61.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">153.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(8.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Operating Revenue
 &#x2013; <font style="WHITE-SPACE: nowrap">Non-Regulated</font></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Operating
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">87.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">57.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;145.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Segment Profit
 (Loss)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">12.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Identifiable Segment
 Assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">712.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">481.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">42.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,244.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Capital
 Expenditures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 </table>
 </div><span></span>
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</tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -URI http://asc.fasb.org/topic&amp;trid=2134510<br></p></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6777178896">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEBT AND FINANCING ARRANGEMENTS<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureTextBlock', window );">DEBT AND FINANCING ARRANGEMENTS</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE 4 &#x2013; DEBT AND
 FINANCING ARRANGEMENTS</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">Details on long-term debt
 at March&#xA0;31, 2019, March&#xA0;31, 2018 and December&#xA0;31,
 2018 are shown below:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="79%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Unitil
 Corporation:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.33% Senior Notes, Due
 May&#xA0;1, 2022</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>20.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.70% Senior Notes, Due
 August&#xA0;1, 2026</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>30.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Unitil Energy First
 Mortgage Bonds:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">5.24% Senior Secured Notes,
 Due March&#xA0;2, 2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">8.49% Senior Secured Notes,
 Due October&#xA0;14, 2024</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>6.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.96% Senior Secured Notes,
 Due September&#xA0;1, 2028</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>20.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">8.00% Senior Secured Notes,
 Due May&#xA0;1, 2031</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.32% Senior Secured Notes,
 Due September&#xA0;15, 2036</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.18% Senior Secured Notes,
 Due November&#xA0;30, 2048</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>30.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Fitchburg:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.75% Senior Notes, Due
 November&#xA0;30, 2023</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.79% Senior Notes, Due
 October&#xA0;15, 2025</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.52% Senior Notes, Due
 November&#xA0;1, 2027</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.37% Senior Notes, Due
 January&#xA0;15, 2029</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>12.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">12.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">12.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">5.90% Senior Notes, Due
 December&#xA0;15, 2030</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.98% Senior Notes, Due
 June&#xA0;1, 2031</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>14.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.32% Senior Notes, Due
 November&#xA0;1, 2047</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Northern
 Utilities:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.95% Senior Notes, Due
 December&#xA0;3, 2018</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">5.29% Senior Notes, Due
 March&#xA0;2, 2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>8.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">16.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">16.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.52% Senior Notes, Due
 November&#xA0;1, 2027</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>20.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.72% Senior Notes, Due
 December&#xA0;3, 2038</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>50.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.42% Senior Notes, Due
 October&#xA0;15, 2044</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>50.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.32% Senior Notes, Due
 November&#xA0;1, 2047</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>30.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Granite
 State:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.15% Senior Notes, Due
 December&#xA0;15, 2018</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.72% Senior Notes, Due
 November&#xA0;1, 2027</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Long-Term
 Debt</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>395.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">396.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">409.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Unamortized Debt
 Issuance Costs</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Long-Term Debt, net
 of Unamortized Debt Issuance Costs</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>392.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">392.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">405.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current
 Portion</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>19.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">29.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">18.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Long-term Debt, Less
 Current Portion</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>373.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">363.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">387.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">Currently, the Company
 believes that there is no active market in the Company&#x2019;s debt
 securities, which have all been sold through private placements. If
 there were an active market for the Company&#x2019;s debt
 securities, the fair value of the Company&#x2019;s long-term debt
 would be estimated based on the quoted market prices for the same
 or similar issues, or on the current rates offered to the Company
 for debt of the same remaining maturities. The fair value of the
 Company&#x2019;s long-term debt is estimated using Level&#xA0;2
 inputs (valuations based on quoted prices available in active
 markets for similar assets or liabilities, quoted prices for
 identical or similar assets or liabilities in inactive markets,
 inputs other than quoted prices that are directly observable, and
 inputs derived principally from market data.) In estimating the
 fair value of the Company&#x2019;s long-term debt, the assumed
 market yield reflects the Moody&#x2019;s Baa Utility Bond Average
 Yield. Costs, including prepayment costs, associated with the early
 settlement of long-term debt are not taken into consideration in
 determining fair value.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="79%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Estimated Fair Value of
 Long-Term Debt</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>418.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">428.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">422.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Credit
 Arrangements</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">On July&#xA0;25, 2018, the
 Company entered into a Second Amended and Restated Credit Agreement
 and related documents (collectively, the &#x201C;Credit
 Facility&#x201D;) with a syndicate of lenders, which amended and
 restated in its entirety the Company&#x2019;s prior credit facility.
 The Credit Facility extends to July&#xA0;25, 2023, subject to two
 <font style="WHITE-SPACE: nowrap">one-year</font> extensions under
 certain circumstances, and has a borrowing limit of
 $120&#xA0;million, which includes a $25&#xA0;million sublimit for
 the issuance of standby letters of credit. The Credit Facility
 provides the Company with the ability to elect that borrowings
 under the Credit Facility bear interest under several options,
 including at a daily fluctuating rate of interest per annum equal
 to <font style="WHITE-SPACE: nowrap">one-month</font> London
 Interbank Offered Rate plus 1.125%. The Company may increase the
 borrowing limit under the Credit Facility by up to $50&#xA0;million
 under certain circumstances.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company utilizes the
 Credit Facility for cash management purposes related to its
 short-term operating activities. Total gross borrowings were
 $75.7&#xA0;million for the three months ended March&#xA0;31, 2019.
 Total gross repayments were $92.7&#xA0;million for the three months
 ended March&#xA0;31, 2019. The following table details the
 borrowing limits, amounts outstanding and amounts available under
 the Credit Facility as of March&#xA0;31, 2019, March&#xA0;31, 2018
 and December&#xA0;31, 2018:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="79%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Revolving Credit
 Facility</b></font><br />
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($&#xA0;millions)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Limit</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>120.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">120.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">120.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Short-Term Borrowings
 Outstanding</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>65.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">45.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">82.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Available</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>54.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">37.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Credit Facility
 contains customary terms and conditions for credit facilities of
 this type, including affirmative and negative covenants. There are
 restrictions on, among other things, the Company&#x2019;s and its
 subsidiaries&#x2019; ability to permit liens or incur indebtedness,
 and restrictions on the Company&#x2019;s ability to merge or
 consolidate with another entity or change its line of business. The
 affirmative and negative covenants under the Credit Facility shall
 apply until the Credit Facility terminates and all amounts borrowed
 under the Credit Facility are paid in full (or with respect to
 letters of credit, they are cash collateralized). The only
 financial covenant in the Credit Facility provides that Funded Debt
 to Capitalization (as each term is defined in the Credit Facility)
 cannot exceed 65%, tested on a quarterly basis. At March&#xA0;31,
 2019, March&#xA0;31, 2018 and December&#xA0;31, 2018, the Company
 was in compliance with the covenants contained in the Credit
 Facility in effect on that date. (See also &#x201C;Credit
 Arrangements&#x201D; in Note 4.)</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company believes the
 future operating cash flows of the Company, along with its existing
 borrowing availability and access to financial markets for the
 issuance of new long-term debt, will be sufficient to meet any
 working capital and future operating requirements, and capital
 investment forecast opportunities.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The weighted average
 interest rates on all short-term borrowings and intercompany money
 pool transactions were 3.7% and 2.9% for the three months ended
 March&#xA0;31, 2019 and March&#xA0;31, 2018, respectively. The
 weighted average interest rate on all short-term borrowings for the
 twelve months ended December&#xA0;31, 2018 was 3.3%.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">As discussed previously,
 the Company divested of its <font style="WHITE-SPACE: nowrap">non-regulated</font> subsidiary business,
 Usource, in the first quarter of 2019. The Company used the net
 proceeds of $9.8&#xA0;million from this divestiture for general
 corporate purposes.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">On November&#xA0;30, 2018
 Unitil Energy issued $30&#xA0;million of First Mortgage Bonds due
 November&#xA0;30, 2048 at 4.18%. Unitil Energy used the net
 proceeds from this offering to repay short-term debt and for
 general corporate purposes. Approximately $0.5&#xA0;million of
 costs associated with these issuances have been netted against
 long-term debt for presentation purposes on the Consolidated
 Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">In April 2014, Unitil
 Service Corp. entered into a financing arrangement, structured as a
 capital lease obligation, for various information systems and
 technology equipment. Final funding under this capital lease
 occurred on October&#xA0;30, 2015, resulting in total funding of
 $13.4&#xA0;million. The capital lease matures on September&#xA0;30,
 2020. As of March&#xA0;31, 2019, there are $2.8&#xA0;million of
 current and $1.6&#xA0;million of noncurrent obligations under this
 capital lease on the Company&#x2019;s Consolidated Balance
 Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Unitil Corporation and its
 utility subsidiaries, Fitchburg, Unitil Energy, Northern Utilities,
 and Granite State are currently rated &#x201C;BBB+&#x201D; by
 Standard&#xA0;&amp; Poor&#x2019;s Ratings Services. Unitil
 Corporation and Granite State are currently rated
 &#x201C;Baa2&#x201D;, and Fitchburg, Unitil Energy and Northern
 Utilities are currently rated &#x201C;Baa1&#x201D; by Moody&#x2019;s
 Investors Services.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Northern Utilities enters
 into asset management agreements under which Northern Utilities
 releases certain natural gas pipeline and storage assets, resells
 the natural gas storage inventory to an asset manager and
 subsequently repurchases the inventory over the course of the
 natural gas heating season at the same price at which it sold the
 natural gas inventory to the asset manager. There was
 $2.2&#xA0;million, $1.0&#xA0;million and $8.4&#xA0;million of
 natural gas storage inventory at March&#xA0;31, 2019,&#xA0;March
 31, 2018 and December&#xA0;31, 2018, respectively, related to these
 asset management agreements. The amount of natural gas inventory
 released in March 2019 and payable in April 2019 is
 $2.1&#xA0;million and is recorded in Accounts Payable at
 March&#xA0;31, 2019. The amount of natural gas inventory released
 in March 2018 and payable in April 2018 was $1.0&#xA0;million and
 was recorded in Accounts Payable at March&#xA0;31, 2018. The amount
 of natural gas inventory released in December 2018 and payable in
 January 2019 was $0.9&#xA0;million and was recorded in Accounts
 Payable at December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 18px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Guarantees</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company provides
 limited guarantees on certain energy and natural gas storage
 management contracts entered into by the distribution utilities.
 The Company&#x2019;s policy is to limit the duration of these
 guarantees. As of March&#xA0;31, 2019, there were approximately
 $4.3&#xA0;million of guarantees outstanding.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Leases</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">Unitil&#x2019;s subsidiaries
 and also lease some of their vehicles, machinery and office
 equipment under both capital and operating lease
 arrangements.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Total rental expense under
 operating leases charged to operations for the three months ended
 March&#xA0;31, 2019 and 2018 amounted to $0.4&#xA0;million and
 $0.5&#xA0;million, respectively.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The balance sheet
 classification of the Company&#x2019;s lease obligations was as
 follows:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap">
 <p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Lease Obligations ($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Operating Lease
 Obligations:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Current Liabilities
 (current portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Noncurrent
 Liabilities (long-term portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Operating Lease
 Obligations</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Capital Lease
 Obligations:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Current Liabilities
 (current portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Noncurrent
 Liabilities (long-term portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Capital Lease
 Obligations</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Lease
 Obligations</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>8.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Cash paid for amounts
 included in the measurement of operating lease obligations for the
 three months ended March&#xA0;31, 2019 was $0.4&#xA0;million and
 was included in Cash Provided by Operating Activities on the
 Consolidated Statements of Cash Flows.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Assets under capital leases
 amounted to approximately $14.9&#xA0;million, $15.0&#xA0;million
 and $15.0&#xA0;million as of March&#xA0;31, 2019, March&#xA0;31,
 2018 and December&#xA0;31, 2018, respectively, less accumulated
 amortization of $1.8&#xA0;million, $1.1&#xA0;million and
 $1.7&#xA0;million, respectively and are included in Net Utility
 Plant on the Company&#x2019;s Consolidated Balance
 Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table is a
 schedule of future operating lease payment obligations and future
 minimum lease payments under capital leases as of March&#xA0;31,
 2019. The payments for capital leases consist of $3.0&#xA0;million
 of current capital lease obligations, which are included in Other
 Current Liabilities and $1.9&#xA0;million of noncurrent capital
 lease obligations, which are included in Other Noncurrent
 Liabilities, on the Company&#x2019;s Consolidated Balance Sheets as
 of March&#xA0;31, 2019. $2.8&#xA0;million of the current capital
 lease obligations and $1.6&#xA0;million of the noncurrent capital
 lease obligations reflect amounts under a financing arrangement
 entered into in April 2014 for various information systems and
 technology equipment. The financing arrangement is structured as a
 capital lease obligation.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The payments for operating
 leases consist of $1.1&#xA0;million of current operating lease
 obligations, which are included in Other Current Liabilities and
 $2.8&#xA0;million of noncurrent operating lease obligations, which
 are included in Other Noncurrent Liabilities, on the
 Company&#x2019;s Consolidated Balance Sheets as of March&#xA0;31,
 2019.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="86%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Lease Payments ($000&#x2019;s)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Operating</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Capital</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Year Ending
 December&#xA0;31,</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rest of 2019</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">967</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2,369</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,141</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2,576</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2021</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">972</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">96</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2022</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">691</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">33</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2023</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">391</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2024-2028</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">119</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total
 Payments</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4,281</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5,089</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Interest</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">426</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">122</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Amount of Lease
 Obligations Recorded on Consolidated Balance Sheets</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3,855</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4,967</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Operating lease obligations
 are based on the net present value of the remaining lease payments
 over the remaining lease term. In determining the present value of
 lease payments, the Company used the interest rate stated in each
 lease agreement. As of March&#xA0;31, 2019, the weighted average
 remaining lease term is 3.9 years and the weighted average
 operating discount rate used to determine the operating lease
 obligations was 5.3%.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><u>Disclosures Related to
 Periods Prior to the Adoption of ASU NO. <font style="WHITE-SPACE: nowrap">2016-02</font> &#x2013; Leases (See Note
 1).</u></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The payment amounts in the
 following table, which are as of December&#xA0;31, 2018, would not
 differ substantially from the payment amounts as of March&#xA0;31,
 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="86%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Lease Payments ($000&#x2019;s)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Operating</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Capital</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Year Ending
 December&#xA0;31,</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2019</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,372</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3,069</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,138</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2,535</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2021</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">969</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">93</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2022</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">689</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">32</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2023</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">390</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2024-2028</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">120</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total
 Payments</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4,678</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5,743</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -URI http://asc.fasb.org/topic&amp;trid=2208564<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6928496736">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>COMMON STOCK AND PREFERRED STOCK<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityNoteDisclosureTextBlock', window );">COMMON STOCK AND PREFERRED STOCK</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>NOTE 5
 &#x2013; COMMON STOCK AND PREFERRED STOCK</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Common
 Stock</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">The
 Company&#x2019;s common stock trades on the New York Stock Exchange
 under the symbol, &#x201C;UTL.&#x201D;</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">The Company
 had 14,860,123, 14,876,955 and 14,916,044 shares of common stock
 outstanding at March&#xA0;31, 2018, December&#xA0;31, 2018 and
 March&#xA0;31, 2019, respectively.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Dividend
 Reinvestment and Stock Purchase Plan
 &#x2013;</b>&#xA0;During the first quarter of 2019, the
 Company sold 5,939 shares of its common stock, at an average price
 of $52.98 per share, in connection with its Dividend Reinvestment
 and Stock Purchase Plan (DRP) and its 401(k) plans resulting in net
 proceeds of approximately $314,700. The DRP provides participants
 in the plan a method for investing cash dividends on the
 Company&#x2019;s common stock and cash payments in additional shares
 of the Company&#x2019;s common stock.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Stock Plan
 &#x2013;</b>&#xA0;The Company maintains the Unitil
 Corporation Second Amended and Restated 2003 Stock Plan (the Stock
 Plan). Participants in the Stock Plan are selected by the
 Compensation Committee of the Board of Directors to receive awards
 under the Stock Plan, including awards of restricted shares
 (Restricted Shares), or of restricted stock units (Restricted Stock
 Units). The Compensation Committee has the authority to determine
 the sizes of awards; determine the terms and conditions of awards
 in a manner consistent with the Stock Plan; construe and interpret
 the Stock Plan and any agreement or instrument entered into under
 the Stock Plan as they apply to participants; establish, amend, or
 waive rules and regulations for the Stock Plan&#x2019;s
 administration as they apply to participants; and, subject to the
 provisions of the Stock Plan, amend the terms and conditions of any
 outstanding award to the extent such terms and conditions are
 within the discretion of the Compensation Committee as provided for
 in the Stock Plan. On April&#xA0;19, 2012, the Company&#x2019;s
 shareholders approved an amendment to the Stock Plan to, among
 other things, increase the maximum number of shares of common stock
 available for awards to plan participants.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">The maximum
 number of shares available for awards to participants under the
 Stock Plan is 677,500. The maximum number of shares that may be
 awarded in any one calendar year to any one participant is 20,000.
 In the event of any change in capitalization of the Company, the
 Compensation Committee is authorized to make an equitable
 adjustment to the number and kind of shares of common stock that
 may be delivered under the Stock Plan and, in addition, may
 authorize and make an equitable adjustment to the Stock
 Plan&#x2019;s annual individual award limit.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><u>Restricted
 Shares</u></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Outstanding
 awards of Restricted Shares fully vest over a period of four years
 at a rate of 25% each year. During the vesting period, dividends on
 Restricted Shares underlying the award may be credited to a
 participant&#x2019;s account. The Company may deduct or withhold, or
 require a participant to remit to the Company, an amount sufficient
 to satisfy any taxes required by federal, state, or local law or
 regulation to be withheld with respect to any taxable event arising
 in connection with an Award. For purposes of compensation expense,
 Restricted Shares vest immediately upon a participant becoming
 eligible for retirement, as defined in the Stock Plan. Prior to the
 end of the vesting period, the restricted shares are subject to
 forfeiture if the participant ceases to be employed by the Company
 other than due to the participant&#x2019;s death.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">On
 January&#xA0;29, 2019, 33,150 Restricted Shares were issued in
 conjunction with the Stock Plan with an aggregate market value at
 the date of issuance of approximately $1.6&#xA0;million. There were
 60,496 and 90,882&#xA0;<font style="WHITE-SPACE: nowrap">non-vested</font>&#xA0;shares
 under the Stock Plan as of March&#xA0;31, 2019 and 2018,
 respectively. The weighted average grant date fair value of these
 shares was $46.23 and $41.93, respectively. The compensation
 expense associated with the issuance of shares under the Stock Plan
 is being recognized over the vesting period and was
 $1.7&#xA0;million and $1.8&#xA0;million for the three months ended
 March&#xA0;31, 2019 and 2018, respectively. At March&#xA0;31, 2019,
 there was approximately $1.3&#xA0;million of total unrecognized
 compensation cost under the Stock Plan which is expected to be
 recognized over approximately 3.0 years. During the three months
 ended March&#xA0;31, 2019 there were no forfeitures and no
 cancellations under the Stock Plan.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><u>Restricted
 Stock Units</u></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Restricted
 Stock Units earn dividend equivalents and will generally be settled
 by payment to each Director as soon as practicable following the
 Director&#x2019;s separation from service to the Company. The
 Restricted Stock Units will be paid such that the Director will
 receive (i)&#xA0;70% of the shares of the Company&#x2019;s common
 stock underlying the restricted stock units and (ii)&#xA0;cash in
 an amount equal to the fair market value of 30% of the shares of
 the Company&#x2019;s common stock underlying the Restricted Stock
 Units. The equity portion of Restricted Stock Units activity during
 the three months ended March&#xA0;31, 2019 in conjunction with the
 Stock Plan are presented in the following table:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 &#xA0;</p>
 <table style="FONT-FAMILY: &quot;Times New Roman&quot;; WORD-SPACING: 0px; BORDER-COLLAPSE: collapse; TEXT-TRANSFORM: none; ORPHANS: 2; WIDOWS: 2; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial" cellspacing="0" cellpadding="0" width="76%" align="center" border="0">
 <tr>
 <td width="81%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="break-inside: avoid">
 <td style="BORDER-BOTTOM: rgb(0,0,0) 1px solid" valign="bottom" colspan="8" nowrap="nowrap" align="center">
 <p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px" align="center">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="1"><b>Restricted
 Stock Units (Equity Portion)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="break-inside: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: rgb(0,0,0) 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="1"><b>Units</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: rgb(0,0,0) 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="1"><b>Weighted</b></font><br />
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="1"><b>Average</b></font><br />
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="1"><b>Stock</b></font><br />
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="1"><b>Price</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="break-inside: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Restricted Stock Units as
 of December&#xA0;31, 2018</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">61,789</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">38.25</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 </tr>
 <tr style="break-inside: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Restricted Stock Units
 Granted</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 </tr>
 <tr style="break-inside: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Dividend Equivalents
 Earned</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">417</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">54.91</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 </tr>
 <tr style="break-inside: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Restricted Stock Units
 Settled</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: rgb(0,0,0) 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: rgb(0,0,0) 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="break-inside: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Restricted Stock Units as
 of March&#xA0;31, 2019</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>62,206</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>38.36</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: rgb(0,0,0) 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: rgb(0,0,0) 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">There were
 52,677 Restricted Stock Units outstanding as of March&#xA0;31, 2018
 with a weighted average stock price of $36.27. Included in Other
 Noncurrent Liabilities on the Company&#x2019;s Consolidated Balance
 Sheets as of March&#xA0;31, 2019, March&#xA0;31, 2018 and
 December&#xA0;31, 2018 is $1.4&#xA0;million, $1.0&#xA0;million and
 $1.3&#xA0;million, respectively, representing the fair value of
 liabilities associated with the portion of fully vested RSUs that
 will be settled in cash.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Preferred
 Stock</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">There was
 $0.2&#xA0;million, or 1,893 shares, of Unitil Energy&#x2019;s 6.00%
 Series Preferred Stock outstanding as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018. There were less
 than $0.1&#xA0;million of total dividends declared on Preferred
 Stock in each of the three month periods ended March&#xA0;31, 2019
 and March&#xA0;31, 2018, respectively.</font></p>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityNoteDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -URI http://asc.fasb.org/topic&amp;trid=2208762<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityNoteDisclosureTextBlock</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6771254640">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REGULATORY MATTERS<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesDisclosureTextBlock', window );">REGULATORY MATTERS</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>NOTE 6
 &#x2013; REGULATORY MATTERS</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>UNITIL&#x2019;S REGULATORY MATTERS ARE DESCRIBED IN NOTE 8 TO
 THE FINANCIAL STATEMENTS IN ITEM 8 OF PART II OF UNITIL
 CORPORATION&#x2019;S FORM&#xA0;<font style="WHITE-SPACE: nowrap">10-K</font>&#xA0;FOR
 DECEMBER&#xA0;31, 2018 AS FILED WITH THE SECURITIES AND EXCHANGE
 COMMISSION ON JANUARY&#xA0;31, 2019.</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Tax Cuts
 and Jobs Act of 2017</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">On
 December&#xA0;22, 2017, the Tax Cuts and Jobs Act of 2017 (TCJA)
 was signed into law. Among other things, the TCJA substantially
 reduced the corporate income tax rate to 21&#xA0;percent, effective
 January&#xA0;1, 2018. Each state public utility commission, with
 jurisdiction over the areas that are served by Unitil&#x2019;s
 electric and gas subsidiary companies, issued orders directing how
 the tax law changes were to be reflected in rates. Unitil has
 complied with these orders and has made the required changes to its
 rates as directed by the commissions. The FERC has opened a
 rulemaking proceeding on this matter which has been addressed in a
 rate settlement filing by Granite State. More recently, on
 November&#xA0;15, 2018, the FERC issued a Notice of Proposed
 Rulemaking and a Policy Statement to address the TCJA&#x2019;s
 effects on the Accumulated Deferred Income Taxes (ADIT) on
 transmission rates. Under the proposed rules all public utilities
 with transmission formula rates, including Fitchburg, would be
 required to: (1)&#xA0;include mechanisms to deduct any excess ADIT
 from or add any deficient ADIT to their rate bases;
 (2)&#xA0;include mechanisms in those rates that would raise or
 lower their income tax allowances by any amortized excess or
 deficient ADIT; and (3)&#xA0;incorporate a new permanent worksheet
 into their rates that will annually track information related to
 excess or deficient ADIT. The Company believes that these matters
 are substantially resolved and will not have a material impact on
 its financial position, operating results, or cash
 flows.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Rate Case
 Activity</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Unitil
 Energy &#x2013; Base Rates &#x2013;&#xA0;</b>On
 April&#xA0;20, 2017 the NHPUC issued its final order providing for
 a permanent increase of $4.1&#xA0;million, effective May&#xA0;1,
 2017, followed by two annual rate step adjustments to recover the
 revenue requirements associated with certain capital expenditures.
 On April&#xA0;30, 2018, the NHPUC approved the first step increase,
 effective May&#xA0;1, 2018. The filing incorporated the revenue
 requirement of $3.3&#xA0;million for 2017 plant additions, a
 reduction of $2.2&#xA0;million for the effect of the federal tax
 decrease pursuant to the TCJA, along with the termination of
 the&#xA0;<font style="WHITE-SPACE: nowrap">one-year</font>&#xA0;$1.4&#xA0;million
 reconciliation adjustment which had recouped the difference between
 temporary rates and final rates. The net effect of the three
 adjustments resulted in a revenue decrease of $0.3&#xA0;million. On
 February&#xA0;28, 2019, Unitil Energy filed its second and final
 step adjustment seeking a revenue increase of approximately
 $340,000. On April 22, 2019 this final step adjustment was approved
 by the NHPUC, effective May 1, 2019.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Fitchburg
 &#x2013; Base Rates &#x2013; Electric
 &#x2013;&#xA0;</b>Fitchburg&#x2019;s base rates are
 decoupled, and subject to an annual revenue decoupling adjustment
 mechanism, which includes a cap on the amount that rates may be
 increased in any year. In Fitchburg&#x2019;s last base rate order
 from the MDPU, issued in April 2016, the MDPU approved an annual
 capital cost recovery mechanism to recover the revenue requirement
 associated with certain capital additions. On June&#xA0;28, 2018,
 Fitchburg filed its compliance report of capital investments for
 calendar year 2017. On November&#xA0;1, 2018, Fitchburg filed its
 cumulative revenue requirement associated with the Company&#x2019;s
 2015, 2016 and 2017 capital expenditures and associated Capital
 Cost Adjustment Factors to become effective on January&#xA0;1,
 2019. On December&#xA0;27, 2018, the Capital Cost Adjustment
 Factors were approved subject to further investigation and
 reconciliation. On April&#xA0;3, 2019, the MDPU issued a final
 order approving Fitchburg&#x2019;s 2017 filing, which provides for
 the recovery of the sum of the revenue requirement and
 reconciliation adjustment of $0.4&#xA0;million. Final approval of
 the 2018 filing remains pending.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Fitchburg
 &#x2013; Base Rates &#x2013; Gas
 &#x2013;&#xA0;</b>Pursuant to the Company&#x2019;s
 revenue decoupling adjustment clause tariff, as approved in its
 last base rate case, the Company is allowed to modify, on a
 semi-annual basis, its base distribution rates to an established
 revenue per customer target in order to mitigate economic, weather
 and energy efficiency impacts to the Company&#x2019;s revenues. The
 MDPU has consistently found that the Company&#x2019;s filings are in
 accord with its approved tariffs, applicable law and precedent, and
 that they result in just and reasonable rates.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Fitchburg
 &#x2013; Gas System Enhancement Program
 &#x2013;&#xA0;</b>Pursuant to statute and MDPU order,
 Fitchburg has an approved Gas System Enhancement Plan (GSEP) tariff
 through which it may recover certain gas infrastructure replacement
 and safety related investment costs, subject to an annual cap.
 Under the plan, the Company is required to make two annual filings
 with the MDPU: a forward-looking filing for the subsequent
 construction year, to be filed on or before October 31; and a
 filing, submitted on or before May&#xA0;1, of final project
 documentation for projects completed during the prior year,
 demonstrating substantial compliance with its plan in effect for
 that year and showing that project costs were reasonably and
 prudently incurred. While a number of the filings under the GSEP
 tariff may remain pending from&#xA0;<font style="WHITE-SPACE: nowrap"><font style="WHITE-SPACE: nowrap">year-to-year</font></font>&#xA0;in
 any given year, the Company considers these to be routine
 regulatory proceedings and there are no material issues
 outstanding. Under this tariff, a revenue increase of
 $0.9&#xA0;million went into effect on May&#xA0;1, 2018, subject to
 the annual cap and reconciliation. On October&#xA0;31, 2018, the
 MDPU approved the Company&#x2019;s request for a waiver of the
 annual cap in order to recover its reconciliation adjustment of
 $0.4&#xA0;million effective November&#xA0;1, 2018 associated with
 its actual 2017 revenue requirement. On October&#xA0;31, 2018, the
 Company filed to increase the annual cap for two years and is
 seeking recovery of a revenue increase of $0.8&#xA0;million,
 subject to the annual cap and reconciliation, for effect
 May&#xA0;1, 2019. This matter remains pending.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Northern
 Utilities &#x2013; Base Rates &#x2013; Maine
 &#x2013;&#xA0;</b>On February&#xA0;28, 2018, the MPUC
 issued its Final Order (Order) in Northern Utilities&#x2019; most
 recent base rate case. The Order provided for an annual revenue
 increase of $2.1&#xA0;million before a reduction of
 $2.2&#xA0;million to incorporate the effect of the lower federal
 income tax rate under the TCJA. The MPUC Order approved a return on
 equity of 9.5&#xA0;percent and a capital structure reflecting
 50&#xA0;percent equity and 50&#xA0;percent long-term
 debt.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Northern
 Utilities &#x2013; Targeted Infrastructure Replacement Adjustment
 (TIRA) &#x2013; Maine &#x2013;&#xA0;</b>The settlement
 in Northern Utilities&#x2019; Maine division&#x2019;s 2013 rate case
 allowed the Company to implement a TIRA rate mechanism to adjust
 base distribution rates annually to recover the revenue
 requirements associated with targeted investments in gas
 distribution system infrastructure replacement and upgrade
 projects, including the Company&#x2019;s Cast Iron Replacement
 Program (CIRP). The TIRA had an initial term of four years and
 covered targeted capital expenditures in 2013 through 2016. In its
 Order in the most recent base rate case (see above), the MPUC
 approved an extension of the TIRA mechanism, for an additional
 eight-year period, which will allow for annual rate adjustments
 through the end of the CIRP program. On May&#xA0;7, 2018, the MPUC
 approved the Company&#x2019;s request to increase its annual base
 rates by 2.4%, or $1.1&#xA0;million, to recover the revenue
 requirements for 2017 eligible facilities. On April 17, 2019, the
 MPUC approved the Company&#x2019;s request to increase its annual
 base rates by 2.1%, or $1.0 million, to recover the revenue
 requirements for 2018 eligible facilities.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Northern
 Utilities &#x2013; Base Rates &#x2013; New Hampshire
 &#x2013;&#xA0;</b>On May&#xA0;2, 2018, the NHPUC
 approved a settlement agreement providing for an annual revenue
 increase of $2.6&#xA0;million, a reduction of annual revenue of
 $1.7&#xA0;million to reflect the effect of the TCJA, and a step
 increase of $2.3&#xA0;million to recover post-test year capital
 investments, all effective May&#xA0;1, 2018 (with the revenue
 increase of $2.6&#xA0;million reconciling to the date of temporary
 rates of August&#xA0;1, 2017 and the revenue decrease for TCJA
 reconciling to January&#xA0;1, 2018), for a net increase of
 approximately $3.2&#xA0;million. Under the terms of the agreement,
 on February&#xA0;27, 2019, the Company filed for a second step
 increase of approximately $1.4&#xA0;million of annual revenue for
 effect May&#xA0;1, 2019 to recover eligible capital investments in
 2018. This matter remains pending. According to the terms of the
 settlement agreement, Northern Utilities&#x2019; next distribution
 base rate case shall be based on an historic test year of no
 earlier than twelve months ending December&#xA0;31,
 2020.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Granite
 State &#x2013; Base Rates &#x2013;&#xA0;</b>On
 May&#xA0;2, 2018, Granite State filed an uncontested rate
 settlement with FERC which provided for no change in rates, and
 accounted for the effects of a capital step adjustment offset by
 the effect of the TCJA. The settlement was approved by FERC on
 June&#xA0;27, 2018, and complies with the FERC Notice of Proposed
 Rulemaking concerning the justness and reasonableness of rates in
 light of the corporate income tax reductions under the TCJA. The
 settlement also provides that Granite State may not file a general
 (Section 4) rate case prior to April&#xA0;30, 2019.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Other
 Matters</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Fitchburg
 &#x2013; Independent Statewide Examination of the Safety of the
 Commonwealth&#x2019;s Gas Distribution System
 &#x2013;&#xA0;</b>The MDPU has engaged a third-party
 evaluator to conduct an independent statewide examination of the
 safety of the gas distribution system to complement the
 investigation of the National Transportation Safety Board which
 focuses on the gas incident on September&#xA0;13, 2018 in the
 Merrimack Valley and its potential causes. The evaluator will
 examine the following areas: (1)&#xA0;the physical integrity and
 safety of the gas distribution system; and (2)&#xA0;the operation
 and maintenance policies and practices of the gas companies and
 municipal gas companies, with respect to the Commonwealth&#x2019;s
 gas distribution system, including recommendations for
 improvements. The evaluator will issue a report that will include,
 but not be limited to, potential opportunities for improvement in
 each of these areas. The investigation
 is&#xA0;<font style="WHITE-SPACE: nowrap">on-going.</font></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 0px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Reconciliation Filings
 &#x2013;</b>&#xA0;Fitchburg, Unitil Energy and Northern
 Utilities each have a number of regulatory reconciling accounts
 which require annual or semi-annual filings with the MDPU, NHPUC
 and MPUC, respectively, to reconcile costs and revenues and seek
 approval of any rate changes. These filings include: annual
 electric reconciliation filings by Fitchburg and Unitil Energy for
 a number of items, including default service, stranded cost changes
 and transmission charges; costs associated with energy efficiency
 programs in New Hampshire and Massachusetts, as directed by the
 NHPUC and MDPU; recovery of the ongoing costs of storm repairs
 incurred by Unitil Energy; and the actual wholesale energy costs
 for electric power and natural gas incurred by each of the three
 companies. Fitchburg, Unitil Energy and Northern Utilities have
 been, and remain in full compliance with all directives and orders
 regarding these filings. The Company considers these to be routine
 regulatory proceedings and there are no material issues
 outstanding.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Fitchburg
 &#x2013; Massachusetts RFPs &#x2013;</b>&#xA0;Pursuant
 to a comprehensive energy law enacted in 2016, &#x201C;An Act to
 Promote Energy Diversity,&#x201D; under Section 83C, the
 Massachusetts electric distribution companies (EDCs), including
 Fitchburg, are required to jointly solicit proposals for long term
 contracts for at least 400 MW&#x2019;s of offshore wind energy
 generation by June 30, 2017, as part of a total of 1,600 MW of
 offshore wind the EDCs are directed to procure by June 30, 2027.
 Under Section 83D of the Act, the EDCs are required to jointly seek
 proposals for cost effective clean energy (hydro, solar and
 land-based wind) long-term contracts via one or more staggered
 solicitations for a total of 9,450,000 megawatt-hours by December
 31, 2022. Unitil&#x2019;s pro rata share of each of these contracts
 is approximately one percent.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">The EDCs
 issued the RFP for Section 83D Long-Term Contracts for Qualified
 Clean Energy Projects in March 2017, and after selection of final
 projects and negotiation, final contracts for 9,554,940 MWh of
 Qualified Clean Energy and associated Environmental Attributes from
 hydroelectric generation were filed in July 2018 for approval by
 the MDPU. The Section 83D matter remains pending with the EDCs
 awaiting an approval.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">The EDCs
 issued the RFP pursuant to Section 83C for Long-Term Contracts for
 Offshore Wind Energy Generation in June 2017. Final selection of
 projects was made in May 2018, contracts were signed in July 2018
 and on July 23, 2018, the EDCs, including Fitchburg, filed two
 long-term contracts, each for 400MW of offshore wind energy
 generation with MDPU for approval. On April 12, 2019, the MDPU
 approved the Offshore Wind Energy Generation power purchase
 agreements, including the EDCs&#x2019; proposal to sell the energy
 procured under the contract into the ISO-NE wholesale market and to
 credit or charge the difference between the contract costs and the
 ISO-NE market costs to customers. The MDPU also determined that the
 EDCs&#x2019; request for remuneration equal to 2.75 percent is
 reasonable and in the public interest. Also, the MDPU approved the
 EDCs&#x2019; proposal to amend their respective tariffs to include
 the recovery of costs associated with the contracts. The Company
 believes that the power purchase obligations under these long-term
 contracts will have a material impact on the contractual
 obligations and regulatory assets of Fitchburg.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Northern
 Utilities Gas Supply Cost Investigation
 &#x2013;&#xA0;</b>The MPUC has opened an investigation
 into regulatory and rate setting approaches for natural gas supply
 costs. This order is applicable to all LDCs in Maine, and Northern
 Utilities is the first company whose procurement practices are
 being examined. Northern Utilities has been and remains in full
 compliance with all MPUC directives and orders with respect to gas
 procurement.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>FERC
 Transmission Formula Rate Proceedings
 &#x2013;&#xA0;</b>Pursuant to Section&#xA0;206 of the
 Federal Power Act, there are several pending proceedings before the
 FERC concerning the justness and reasonableness of the Return on
 Equity (ROE) component of the&#xA0;<font style="WHITE-SPACE: nowrap">ISO-New</font>&#xA0;England,
 Inc. Participating Transmission Owners&#x2019; Regional Network
 Service and Local Network Service formula rates. On April&#xA0;14,
 2017, the U.S. Court of Appeals for the D.C. Circuit issued an
 opinion vacating a decision of the FERC with respect to the ROE,
 and remanded it for further proceedings. The FERC had found that
 the Transmission Owners existing ROE was unlawful, and had set a
 new ROE. The Court found that the FERC had failed to articulate a
 satisfactory explanation for its orders. At this time, the ROE set
 in the vacated order will remain in place until further FERC action
 is taken. Separately, on March&#xA0;15, 2018, the Transmission
 Owners filed a petition for review with the Court of certain orders
 of the FERC setting for hearing other complaints challenging the
 allowed return on equity component of the formula rates.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 12px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">Also pending
 at FERC is a Section&#xA0;206 proceeding concerning the justness
 and reasonableness of&#xA0;<font style="WHITE-SPACE: nowrap">ISO-New</font>&#xA0;England,
 Inc. Participating Transmission Owners&#x2019; Regional Network
 Service and Local Network Service formula rates and to develop
 formula rate protocols for these rates. On August&#xA0;17, 2018 a
 joint settlement agreement among a number of the parties was filed
 with the FERC and remains pending. Fitchburg and Unitil Energy are
 Participating Transmission Owners, although Unitil Energy does not
 own transmission plant. To the extent that these proceedings result
 in any changes to the rates being charged, a retroactive
 reconciliation may be required. The Company does not believe that
 these proceedings will have a material adverse impact on the
 Company&#x2019;s financial condition or results of
 operations.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 18px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2"><b>Legal
 Proceedings</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: medium; FONT-FAMILY: &quot;Times New Roman&quot;; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN-TOP: 6px; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">
 <font style="FONT-FAMILY: &quot;Times New Roman&quot;" size="2">The Company
 is involved in legal and administrative proceedings and claims of
 various types, which arise in the ordinary course of business. The
 Company believes, based upon information furnished by counsel and
 others, that the ultimate resolution of these claims will not have
 a material impact on its financial position, operating results or
 cash flows.</font></p>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for public utilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -URI http://asc.fasb.org/topic&amp;trid=2156578<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesDisclosureTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6777190176">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ENVIRONMENTAL MATTERS<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalLossContingencyDisclosureTextBlock', window );">ENVIRONMENTAL MATTERS</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE 7 &#x2013;
 ENVIRONMENTAL MATTERS</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>UNITIL&#x2019;S
 ENVIRONMENTAL MATTERS ARE DESCRIBED IN NOTE 8 TO THE FINANCIAL
 STATEMENTS IN ITEM 8 OF PART II OF UNITIL CORPORATION&#x2019;S FORM
 <font style="WHITE-SPACE: nowrap">10-K</font> FOR DECEMBER&#xA0;31,
 2018 AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON
 JANUARY&#xA0;31, 2019.</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company&#x2019;s past
 and present operations include activities that are generally
 subject to extensive and complex federal and state environmental
 laws and regulations. The Company is in material compliance with
 applicable environmental and safety laws and regulations and, as of
 March&#xA0;31, 2019, has not identified any material losses
 reasonably likely to be incurred in excess of recorded amounts.
 However, the Company cannot assure that significant costs and
 liabilities will not be incurred in the future. It is possible that
 other developments, such as increasingly stringent federal, state
 or local environmental laws and regulations could result in
 increased environmental compliance costs. Based on the
 Company&#x2019;s current assessment of its environmental
 responsibilities, existing legal requirements and regulatory
 policies, the Company does not believe that these environmental
 costs will have a material adverse effect on the Company&#x2019;s
 consolidated financial position or results of
 operations.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Northern Utilities
 Manufactured Gas Plant Sites &#x2013;</b> Northern Utilities has an
 extensive program to identify, investigate and remediate former
 manufactured gas plant (MGP) sites, which were operated from the
 <font style="WHITE-SPACE: nowrap">mid-1800s</font> through the
 <font style="WHITE-SPACE: nowrap">mid-1900s.</font> In New
 Hampshire, MGP sites were identified in Dover, Exeter, Portsmouth,
 Rochester and Somersworth. In Maine, Northern Utilities has
 documented the presence of MGP sites in Lewiston and Portland, and
 a former MGP disposal site in Scarborough.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">Northern Utilities has
 worked with the Maine Department of Environmental Protection and
 New Hampshire Department of Environmental Services to address
 environmental concerns with these sites. Northern Utilities or
 others have substantially completed remediation of all sites,
 though on site monitoring continues and it is possible that future
 activities may be required.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The NHPUC and MPUC have
 approved regulatory mechanisms for the recovery of MGP
 environmental costs. For Northern Utilities&#x2019; New Hampshire
 division, the NHPUC has approved the recovery of MGP environmental
 costs over succeeding seven-year periods. For Northern
 Utilities&#x2019; Maine division, the MPUC has authorized the
 recovery of environmental remediation costs over succeeding
 five-year periods.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Environmental
 Obligations table below shows the amounts accrued for Northern
 Utilities related to estimated future cleanup costs associated with
 Northern Utilities&#x2019; environmental remediation obligations for
 former MGP sites. Corresponding Regulatory Assets were recorded to
 reflect that the future recovery of these environmental remediation
 costs is expected based on regulatory precedent and established
 practices.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Fitchburg&#x2019;s
 Manufactured Gas Plant Site &#x2013;</b> Fitchburg has worked with
 the Massachusetts Department of Environmental Protection to address
 environmental concerns with the former MGP site at Sawyer Passway,
 and has substantially completed remediation activities, though on
 site monitoring will continue and it is possible that future
 activities may be required.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Environmental
 Obligations table below shows the amounts accrued for Fitchburg
 related to estimated and periodic, regulatory review costs for the
 completed permanent remediation of the Sawyer Passway site. A
 corresponding Regulatory Asset was recorded to reflect that the
 recovery of these environmental remediation costs is probable
 through the regulatory process. The amounts recorded do not assume
 any amounts are recoverable from insurance companies or other third
 parties. Fitchburg recovers the environmental response costs
 incurred at this former MGP site in gas rates pursuant to the terms
 of a cost recovery agreement approved by the MDPU. Pursuant to this
 agreement, Fitchburg is authorized to amortize and recover
 environmental response costs from gas customers over succeeding
 seven-year periods.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table sets
 forth a summary of changes in the Company&#x2019;s liability for
 Environmental Obligations for the three months ended March&#xA0;31,
 2019 and 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="76%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Environmental Obligations</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="6"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="6"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="6"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Fitchburg</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Northern<br />
 Utilities</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Three months ended
 March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Balance at
 Beginning of Period</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Additions</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
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 Reductions</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
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 Period</b></font></p>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current
 Portion</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.6</b></font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
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 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Noncurrent Balance at
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
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<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnvironmentalLossContingencyDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for environmental loss contingencies, such as presence of hazardous waste, relevant information from reports issued by regulators, and estimated costs to achieve compliance with regulatory requirements. This element may be used for all of an entity's disclosures about environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -URI http://asc.fasb.org/subtopic&amp;trid=2175709<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6777300464">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INCOME TAXES<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureTextBlock', window );">INCOME TAXES</a></td>
<td class="text"><div>
 <p style="margin-top:18px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2"><b>NOTE 8: INCOME
 TAXES</b></font></p>
 <p style="margin-top:6px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">In December 2017, the Tax
 Cuts and Jobs Act (TCJA), which included a reduction to the
 corporate federal income tax rate to 21% effective January&#xA0;1,
 2018, was signed into law. In accordance with GAAP Accounting
 Standard 740, the Company revalued its Accumulated Deferred Income
 Taxes (ADIT) at the new 21% tax rate at which the ADIT will be
 reversed in future periods. The Company recorded a net Regulatory
 Liability in the amount of $48.9&#xA0;million at December&#xA0;31,
 2017 as a result of the ADIT revaluation.</font></p>
 <p style="font-size:1px;margin-top:12px;margin-bottom:0px">
 &#xA0;</p>
 <p style="margin-top:0px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">The MDPU issued a
 multi-utility Order D.P.U. <font style="white-space:nowrap"><font style="white-space:nowrap">18-15-E</font></font> (the
 &#x201C;Order&#x201D;) on December&#xA0;21, 2018. The Order clarified
 the categories of Excess ADIT for Massachusetts ratemaking: 1)
 Excess protected ADIT directly related to utility plant fixed
 assets (rate base), 2) other <font style="white-space:nowrap">non-plant</font> excess ADIT amounts
 (unprotected), and 3) excess ADIT created through reconciling
 mechanisms. In the Order, all Massachusetts utilities were ordered
 to begin flow back of protected and unprotected excess ADIT on
 February&#xA0;1, 2019 and to reconcile excess ADIT amounts
 previously collected from ratepayers through reconciliation
 mechanisms in the next filing of each of those individual
 reconciling mechanisms. Fitchburg was ordered to begin flowing back
 to customers excess ADIT of $10.1&#xA0;million and
 $10.4&#xA0;million to electric and gas ratepayers, respectively,
 over approximately fifteen years. Fitchburg filed its compliance
 filing under <font style="white-space:nowrap"><font style="white-space:nowrap">D.P.U.18-15-E</font></font> on January&#xA0;4,
 2019 for rates effective February&#xA0;1, 2019. The MDPU approved
 this filing on January&#xA0;16, 2019. The filing will be updated
 and the balances of excess ADIT will be reconciled
 annually.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">On November&#xA0;15, 2018
 the FERC issued two pronouncements regarding the accounting for
 income taxes due to the TCJA; 1) Notice of Proposed Rulemaking
 Docket No. RM <font style="white-space:nowrap"><font style="white-space:nowrap">19-5-000</font></font> and 2) Policy Statement
 PL <font style="white-space:nowrap"><font style="white-space:nowrap">19-2-000</font></font> providing specific
 guidance on the flow back of excess ADIT created by the
 implementation of the TCJA. Final rules are expected to be issued
 in the second quarter of 2019. According to the FERC guidance; the
 amount of the reduction to ADIT that was previously collected from
 customers but is no longer payable to the IRS is excess ADIT and
 should be flowed back to ratepayers under general ratemaking
 principles.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">Based on communications
 received by the Company from its state regulators in rate cases and
 other regulatory proceedings in the first quarter of 2018 and as
 prescribed in the TCJA, the recent FERC guidance noted above and
 IRS normalization rules; the benefit of these protected excess ADIT
 amounts will be subject to flow back to customers in future utility
 rates according to the Average Rate Assumption Method (ARAM). ARAM
 reconciles excess ADIT at the reversal rate of the underlying
 book/tax temporary timing differences. The Company estimates the
 ARAM flow back period to be between fifteen and twenty years.
 Subject to regulatory approval, the Company expects to flow back to
 customers a net $47.1&#xA0;million of protected excess ADIT created
 as a result of the lowering of the statutory tax rate by the TCJA
 over periods estimated to be fifteen to twenty years.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">In addition to the protected
 excess $47.1&#xA0;million ADIT amounts the Company expects to flow
 through to customers in utility rates, as noted above, there is
 approximately $1.8&#xA0;million of excess ADIT created through
 reconciling mechanisms at December&#xA0;31, 2017, related to the
 implementation of the new federal tax rate of the TCJA, which had
 not been previously collected from customers through utility rates.
 The Company will reconcile these excess ADIT amounts through the
 specific reconciliation mechanisms in the next filing of each of
 those individual reconciling mechanisms which will be subject to
 the review of state regulators.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">In addition to the
 $48.9&#xA0;million of net excess ADIT noted above; there is
 $5.8&#xA0;million of excess ADIT at December&#xA0;31, 2017, created
 by the recognition of Net Operating Loss Carryforward assets
 (NOLC), discussed below, and related to the implementation of the
 new federal tax rate of the TCJA, which had not been previously
 included in utility rates. The Company is recognizing the benefit
 of this excess ADIT in accordance with the regulatory treatment of
 excess ADIT for each of jurisdiction. In 2018 the Company
 recognized $2.4&#xA0;million of this tax benefit provision due to
 the turning of book/tax temporary differences associated with this
 excess ADIT. The Company expects to recognize the remaining
 $3.4&#xA0;million of this excess ADIT in future periods, which is
 currently expected to be in 2019 and 2020, in accordance with
 regulatory guidance as discussed above.</font></p>
 <p style="margin-top:0px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">The Company has not yet
 received regulatory orders in all of its jurisdictions regarding
 the flow-back of excess deferred taxes. The Company&#x2019;s
 regulators are expected to issue additional ratemaking guidance in
 future periods that will determine the final disposition of the
 <font style="white-space:nowrap">re-measurement</font> of
 regulatory deferred tax balances. At this time, the Company has
 applied a reasonable interpretation of the TCJA and a reasonable
 estimate of the regulatory resolution. Future clarification of TCJA
 matters with the Company&#x2019;s regulators may change the amounts
 estimated.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">Under the Company&#x2019;s
 Tax Sharing Agreement (the &#x201C;Agreement&#x201D;) which was
 approved upon the formation of Unitil as a PUHC; the Company files
 consolidated Federal and State tax returns and Unitil Corporation
 and each of its utility operating subsidiaries recognize the
 results of their operations in its tax returns as if it were a
 stand-alone taxpayer. The Agreement provides that the Company will
 account for income taxes in compliance with U.S. GAAP and
 regulatory accounting principles. The Company filed its tax returns
 for the year ended December&#xA0;31, 2017 with the Internal Revenue
 Service in September 2018 and generated additional federal NOLC
 assets of $3.7&#xA0;million principally due to pension cost
 deductions, tax repair deductions, tax depreciation and research
 and development deductions. For the year ended December&#xA0;31,
 2018, the Company calculated federal current tax of
 $7.7&#xA0;million and offset it with a decrease to the federal NOLC
 of $7.7&#xA0;million, resulting in no federal current taxes payable
 for the period. As of December&#xA0;31, 2018, the Company had
 recorded cumulative federal and state NOLC assets of
 $10.8&#xA0;million to offset against taxes payable in future
 periods. If unused, the Company&#x2019;s NOLC carryforward assets
 will begin to expire in 2029. In addition, at December&#xA0;31,
 2017, the Company had $3.5&#xA0;million of cumulative alternative
 minimum tax credits, general business tax credit and other state
 tax credit carryforwards to offset future income taxes
 payable.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">In assessing the near-term
 use of NOLCs and tax credits, the Company evaluates the expected
 level of future taxable income, available tax planning strategies,
 reversals of existing taxable temporary differences and taxable
 income available in carryback years. Based on all available
 evidence, both positive and negative, and the weight of that
 evidence to the extent such evidence can be objectively verified,
 the Company expects to utilize all of its NOLCs by
 December&#xA0;31, 2019 prior to their expiration in
 2029.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">In March 2018, Unitil
 Corporation received notice that its Federal Income Tax return
 filings for the years ended December&#xA0;31, 2015 and
 December&#xA0;31, 2016 are under examination by the IRS. Currently,
 the Company believes that the ultimate resolution of this
 examination will not have a material impact on the Company&#x2019;s
 financial statements. The Company remains subject to examination by
 New Hampshire tax authorities for the tax periods ended
 December&#xA0;31, 2015; December&#xA0;31, 2016; and
 December&#xA0;31, 2017. Income tax filings for the year ended
 December&#xA0;31, 2017 have been filed with the New Hampshire
 Department of Revenue Administration. The State of Maine has
 concluded its review of the Company&#x2019;s tax returns for
 December&#xA0;31, 2014, December&#xA0;31, 2015, and
 December&#xA0;31, 2016 which resulted in a small additional refund
 to the Company.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">The Company evaluated its
 tax positions at March&#xA0;31, 2019 in accordance with the FASB
 Codification, and has concluded that no adjustment for recognition,
 <font style="white-space:nowrap">de-recognition,</font> settlement
 and foreseeable future events to any tax liabilities or assets as
 defined by the FASB Codification is required. The Company remains
 subject to examination by Federal, Maine, Massachusetts, and New
 Hampshire tax authorities for the tax periods ended
 December&#xA0;31, 2015;&#xA0;December&#xA0;31, 2016; and
 December&#xA0;31, 2017.</font></p>
 <p style="margin-top:12px;margin-bottom:0px"><font style="font-family:Times New Roman" size="2">The Company bills its
 customers for sales tax in Massachusetts and Maine. These taxes are
 remitted to the appropriate departments of revenue in each state
 and are excluded from revenues on the Company&#x2019;s unaudited
 Consolidated Statements of Earnings.</font></p>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -URI http://asc.fasb.org/topic&amp;trid=2144680<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureTextBlock</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</table></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6777190176">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>RETIREMENT BENEFIT OBLIGATIONS<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock', window );">RETIREMENT BENEFIT OBLIGATIONS</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>NOTE 9: RETIREMENT
 BENEFIT OBLIGATIONS</b></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company <font style="WHITE-SPACE: nowrap">co-sponsors</font> the Unitil Corporation
 Retirement Plan (Pension Plan), the Unitil Retiree Health and
 Welfare Benefits Plan (PBOP Plan), and the Unitil Corporation
 Supplemental Executive Retirement Plan (SERP) to provide certain
 pension and postretirement benefits for its retirees and current
 employees. Please see Note 10 to the Consolidated Financial
 Statements in the Company&#x2019;s Form <font style="WHITE-SPACE: nowrap">10-K</font> for the year ended
 December&#xA0;31, 2018 as filed with the SEC on January&#xA0;31,
 2018 for additional information regarding these plans.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table
 includes the key weighted average assumptions used in determining
 the Company&#x2019;s benefit plan costs and obligations:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="91%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap">
 <p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="1">Used to Determine Plan
 Costs</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Discount Rate</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.25</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.60</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate of Compensation
 Increase</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.00</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.00</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Expected Long-term rate of
 return on plan assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.75</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.75</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Health Care Cost Trend Rate
 Assumed for Next Year</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.00</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.50</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Ultimate Health Care Cost
 Trend Rate</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.50</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.50</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Year that Ultimate Health
 Care Cost Trend Rate is reached</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2024</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2024</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table
 provides the components of the Company&#x2019;s Retirement plan
 costs ($000&#x2019;s):</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="65%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Pension
 Plan</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>PBOP
 Plan</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>SERP</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Three Months
 Ended March&#xA0;31,</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Service Cost</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>776</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">848</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>576</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">733</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>60</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">122</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Interest Cost</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,621</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,469</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>856</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">851</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>139</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">101</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Expected Return on Plan
 Assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(2,119</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(1,946</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(411</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(409</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Prior Service Cost
 Amortization</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>80</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">81</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>303</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">327</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Actuarial Loss
 Amortization</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,081</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,447</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>57</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">346</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>158</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">122</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><font style="WHITE-SPACE: nowrap">Sub-total</font></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,439</b></font></td>
 <td valign="bottom" nowrap="nowrap"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,899</font></td>
 <td valign="bottom" nowrap="nowrap"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,381</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,848</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>360</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">392</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Amounts Capitalized and
 Deferred</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(412</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(720</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(474</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(742</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(103</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(113</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Net Periodic Benefit Cost
 Recognized</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,027</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,179</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>907</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,106</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>257</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">279</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 18px"><font style="FONT-FAMILY: Times New Roman" size="2"><u>Employer
 Contributions</u></font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">As of March&#xA0;31, 2019,
 the Company had made $1.3&#xA0;million and $0.4&#xA0;million of
 contributions to its Pension Plan and PBOP Plan, respectively, in
 2019. The Company, along with its subsidiaries, expects to continue
 to make contributions to its Pension and PBOP Plans in 2019 and
 future years at minimum required and discretionary funding levels
 consistent with the amounts recovered in the distribution
 utilities&#x2019; rates for these Pension and PBOP Plan
 costs.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">As of March&#xA0;31, 2019,
 the Company had made $0.1&#xA0;million of benefit payments under
 the SERP Plan in 2019. The Company presently anticipates making an
 additional $0.5&#xA0;million of benefit payments under the SERP
 Plan in 2019.</font></p>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for pension and other postretirement benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -URI http://asc.fasb.org/topic&amp;trid=2235017<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6788060368">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NatureOfOperationsPolicyTextBlock', window );">Nature of Operations</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Nature of Operations</b>
 &#x2013; Unitil Corporation (Unitil or the Company) is a public
 utility holding company. Unitil and its subsidiaries are subject to
 regulation as a holding company system by the Federal Energy
 Regulatory Commission (FERC) under the Energy Policy Act of 2005.
 The following companies are wholly-owned subsidiaries of Unitil:
 Unitil Energy Systems, Inc. (Unitil Energy), Fitchburg Gas and
 Electric Light Company (Fitchburg), Northern Utilities, Inc.
 (Northern Utilities), Granite State Gas Transmission, Inc. (Granite
 State), Unitil Power Corp. (Unitil Power), Unitil Realty Corp.
 (Unitil Realty), Unitil Service Corp. (Unitil Service) and its
 <font style="WHITE-SPACE: nowrap">non-regulated</font> business
 unit Unitil Resources, Inc. (Unitil Resources). Usource Inc. and
 Usource L.L.C., which the Company sold in the first quarter of
 2019, were wholly-owned subsidiaries of Unitil
 Resources.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company&#x2019;s
 earnings are seasonal and are typically higher in the first and
 fourth quarters when customers use natural gas for heating
 purposes.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Unitil&#x2019;s principal
 business is the local distribution of electricity in the
 southeastern seacoast and state capital regions of New Hampshire
 and the greater Fitchburg area of north central Massachusetts, and
 the local distribution of natural gas in southeastern New
 Hampshire, portions of southern and central Maine and in the
 greater Fitchburg area of north central Massachusetts. Unitil has
 three distribution utility subsidiaries, Unitil Energy, which
 operates in New Hampshire, Fitchburg, which operates in
 Massachusetts and Northern Utilities, which operates in New
 Hampshire and Maine (collectively referred to as the distribution
 utilities).</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Granite State is a natural
 gas transportation pipeline, operating 86 miles of underground gas
 transmission pipeline primarily located in Maine and New Hampshire.
 Granite State provides Northern Utilities with interconnection to
 three major natural gas pipelines and access to domestic natural
 gas supplies in the south and Canadian natural gas supplies in the
 north. Granite State derives its revenues principally from the
 transportation services provided to Northern Utilities and, to a
 lesser extent, third-party marketers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">A fifth utility subsidiary,
 Unitil Power, formerly functioned as the full requirements
 wholesale power supply provider for Unitil Energy. In connection
 with the implementation of electric industry restructuring in New
 Hampshire, Unitil Power ceased being the wholesale supplier of
 Unitil Energy on May&#xA0;1, 2003 and divested of its long-term
 power supply contracts through the sale of the entitlements to the
 electricity associated with various electric power supply contracts
 it had acquired to serve Unitil Energy&#x2019;s
 customers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Unitil also has three other
 wholly-owned subsidiaries: Unitil Service; Unitil Realty; and
 Unitil Resources. Unitil Service provides, at cost, a variety of
 administrative and professional services, including regulatory,
 financial, accounting, human resources, engineering, operations,
 technology, energy management and management services on a
 centralized basis to its affiliated Unitil companies. Unitil Realty
 owns and manages the Company&#x2019;s corporate office in Hampton,
 New Hampshire and leases this facility to Unitil Service under a
 long-term lease arrangement. Unitil Resources is the
 Company&#x2019;s wholly-owned <font style="WHITE-SPACE: nowrap">non-regulated</font> subsidiary. Usource,
 Inc. and Usource L.L.C. (collectively, Usource), which the Company
 divested of in the first quarter of 2019, were wholly-owned
 subsidiaries of Unitil Resources. Usource provided brokering and
 advisory services to large commercial and industrial customers in
 the northeastern United States. See additional discussion of the
 divestiture of Usource below.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BasisOfAccountingPolicyPolicyTextBlock', window );">Basis of Presentation</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Basis of Presentation
 &#x2013;</b> The accompanying unaudited consolidated financial
 statements of Unitil have been prepared in accordance with the
 instructions to Form <font style="WHITE-SPACE: nowrap">10-Q</font>
 and include all of the information and footnotes required by
 generally accepted accounting principles. In the opinion of
 management, all adjustments considered necessary for a fair
 presentation have been included. The results of operations for the
 three months ended March&#xA0;31, 2019 are not necessarily
 indicative of results to be expected for the year ending
 December&#xA0;31, 2019. For further information, please refer to
 Note 1 of Part II to the Consolidated Financial Statements &#x2013;
 &#x201C;Summary of Significant Accounting Policies&#x201D; of the
 Company&#x2019;s Form <font style="WHITE-SPACE: nowrap">10-K</font>
 for the year ended December&#xA0;31, 2018, as filed with the
 Securities and Exchange Commission (SEC) on January&#xA0;31, 2019,
 for a description of the Company&#x2019;s Basis of
 Presentation.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DivestituresPolicyPolicyTextBlock', window );">Divestiture of Non-Regulated Business Subsidiary</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Divestiture of
 <font style="WHITE-SPACE: nowrap">Non-Regulated</font> Business
 Subsidiary &#x2013;</b> On March&#xA0;1, 2019, the Company divested
 of its <font style="WHITE-SPACE: nowrap">non-regulated</font>
 energy brokering and advisory business subsidiary, Usource. The
 Company recognized an <font style="WHITE-SPACE: nowrap">after-tax</font> net gain of approximately
 $9.8&#xA0;million on this divestiture in the first quarter of 2019.
 The <font style="WHITE-SPACE: nowrap">pre-tax</font> net gain of
 approximately $13.4&#xA0;million on this divestiture is included in
 Other Income (Expense), Net on the Consolidated Statements of
 Earnings for the three months ended March&#xA0;31, 2019, while the
 income taxes associated with this transaction of $3.6&#xA0;million
 are included in the Provision For Income Taxes.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilityRevenueAndExpenseRecognitionPolicy', window );">Utility Revenue Recognition</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Utility Revenue
 Recognition &#x2013;</b> Gas Operating Revenues and Electric
 Operating Revenues consist of billed and unbilled revenue and
 revenue from rate adjustment mechanisms. Billed and unbilled
 revenue includes delivery revenue and pass-through revenue,
 recognized according to tariffs approved by federal and state
 regulatory commissions which determine the amount of revenue the
 Company will record for these items. Revenue from rate adjustment
 mechanisms is accrued revenue, recognized in connection with rate
 adjustment mechanisms, and authorized by regulators for recognition
 in the current period for future cash recoveries from, or credits
 to, customers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and unbilled revenue
 is recorded when service is rendered or energy is delivered to
 customers. However, the determination of energy sales to individual
 customers is based on the reading of their meters, which occurs on
 a systematic basis throughout the month. At the end of each
 calendar month, amounts of energy delivered to customers since the
 date of the last meter reading are estimated and the corresponding
 unbilled revenues are calculated. These unbilled revenues are
 calculated each month based on estimated customer usage by class
 and applicable customer rates and are then reversed in the
 following month when billed to customers.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">A majority of the
 Company&#x2019;s revenue from contracts with customers continues to
 be recognized on a monthly basis based on applicable tariffs and
 customer monthly consumption. Such revenue is recognized using the
 invoice practical expedient which allows an entity to recognize
 revenue in the amount that directly corresponds to the value
 transferred to the customer.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company&#x2019;s billed
 and unbilled revenue meets the definition of &#x201C;revenues from
 contracts with customers&#x201D; as defined in ASU <font style="WHITE-SPACE: nowrap">2014-09.</font> Revenue recognized in
 connection with rate adjustment mechanisms is consistent with the
 definition of alternative revenue programs in Accounting Standards
 Codification (ASC) <font style="WHITE-SPACE: nowrap"><font style="WHITE-SPACE: nowrap"><font style="WHITE-SPACE: nowrap">980-605-25-3,</font></font></font> as the
 Company has the ability to adjust rates in the future as a result
 of past activities or completed events. ASU <font style="WHITE-SPACE: nowrap">2014-09</font> requires the Company to
 disclose separately the amount of revenues from contracts with
 customers and alternative revenue program revenues.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">In the following tables,
 revenue is classified by the types of goods/services rendered and
 market/customer type.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="80%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>&#xA0;&#xA0;&#xA0;&#xA0;Three&#xA0;Months&#xA0;Ended&#xA0;March&#xA0;31,&#xA0;2019&#xA0;&#xA0;&#xA0;&#xA0;
 &#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas and
 Electric Operating Revenues ($ millions):</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Residential</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">38.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">35.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">C&amp;I</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">54.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">24.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">78.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">99.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">62.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">161.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(12.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(10.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas and Electric
 Operating Revenues</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>86.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>64.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>151.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="78%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>&#xA0;&#xA0;&#xA0;&#xA0;Three&#xA0;Months&#xA0;Ended&#xA0;March&#xA0;31,&#xA0;2018&#xA0;&#xA0;&#xA0;&#xA0;
 &#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas and
 Electric Operating Revenues ($ millions):</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Residential</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">35.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">70.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">C&amp;I</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">24.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">91.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">61.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">153.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(8.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas and Electric
 Operating Revenues</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>87.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>57.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>144.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg is subject to
 revenue decoupling. Revenue decoupling is the term given to the
 elimination of the dependency of a utility&#x2019;s distribution
 revenue on the volume of electricity or natural gas sales. The
 difference between distribution revenue amounts billed to customers
 and the targeted revenue decoupling amounts is recorded as an
 increase or a decrease in Accrued Revenue, which forms the basis
 for resetting rates for future cash recoveries from, or credits to,
 customers. These revenue decoupling targets may be adjusted as a
 result of rate cases that the Company files with the
 MDPU.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRecognitionPolicyTextBlock', window );">Other Operating Revenue - Non-regulated</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Other Operating Revenue
 &#x2013; <font style="WHITE-SPACE: nowrap">Non-regulated</font>
 &#x2013;</b> Other Operating Revenue consists solely ofrevenue from
 Usource, Unitil&#x2019;s <font style="WHITE-SPACE: nowrap">non-regulated</font> subsidiary, which, as
 discussed previously, the Company divested of on March&#xA0;1,
 2019. Usource conducted its business activities as a broker of
 competitive energy services. Usource did not take title to the
 electric and gas commodities which were the subject of the
 brokerage contracts. The Company recorded energy brokering revenues
 based upon the amount of electricity and gas delivered to customers
 through the end of the accounting period. Usource partnered with
 certain entities to facilitate these brokerage services and paid
 these entities a fee under revenue sharing agreements.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxPolicyTextBlock', window );">Income Taxes</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Income Taxes &#x2013;</b>
 The Company is subject to Federal and State income taxes as well as
 various other business taxes. This process involves estimating the
 Company&#x2019;s current tax liabilities as well as assessing
 temporary and permanent differences resulting from the timing of
 the deductions of expenses and recognition of taxable income for
 tax and book accounting purposes. These temporary differences
 result in deferred tax assets and liabilities, which are included
 in the Company&#x2019;s Consolidated Balance Sheets. The Company
 accounts for income tax assets, liabilities and expenses in
 accordance with the FASB Codification guidance on Income
 Taxes.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company classifies
 penalty and interest expense related to income tax liabilities as
 income tax expense and interest expense, respectively, in the
 Consolidated Statements of Earnings.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Provisions for income taxes
 are calculated in each of the jurisdictions in which the Company
 operates for each period for which a statement of earnings is
 presented. The Company accounts for income taxes in accordance with
 the FASB Codification guidance on Income Taxes, which requires an
 asset and liability approach for the financial accounting and
 reporting of income taxes. Significant judgments and estimates are
 required in determining the current and deferred tax assets and
 liabilities. The Company&#x2019;s current and deferred tax assets
 and liabilities reflect its best assessment of estimated future
 taxes to be paid. In accordance with the FASB Codification, the
 Company periodically assesses the realization of its deferred tax
 assets and liabilities and adjusts the income tax provision, the
 current tax liability and deferred taxes in the period in which the
 facts and circumstances which gave rise to the revision become
 known.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPolicyTextBlock', window );">Cash and Cash Equivalents</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Cash and Cash
 Equivalents &#x2013;</b> Cash and Cash Equivalents includes all cash
 and cash equivalents to which the Company has legal title. Cash
 equivalents include short-term investments with original maturities
 of three months or less and interest bearing deposits. The
 Company&#x2019;s cash and cash equivalents are held at financial
 institutions and at times may exceed federally insured limits. The
 Company has not experienced any losses in such accounts. Under the
 Independent System Operator &#x2013; New England <font style="WHITE-SPACE: nowrap">(ISO-NE)</font> Financial Assurance Policy
 (Policy), Unitil&#x2019;s subsidiaries Unitil Energy, Fitchburg and
 Unitil Power are required to provide assurance of their ability to
 satisfy their obligations to <font style="WHITE-SPACE: nowrap">ISO-NE.</font> Under this Policy,
 Unitil&#x2019;s subsidiaries provide cash deposits covering
 approximately <font style="WHITE-SPACE: nowrap">2-1/2</font> months
 of outstanding obligations, less credit amounts that are based on
 the Company&#x2019;s credit rating. As of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the Unitil
 subsidiaries had deposited $3.0&#xA0;million, $3.3&#xA0;million and
 $3.5&#xA0;million, respectively to satisfy their <font style="WHITE-SPACE: nowrap">ISO-NE</font> obligations.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_AllowanceForDoubtfulAccountsPolicyTextBlock', window );">Allowance for Doubtful Accounts</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Allowance for Doubtful
 Accounts &#x2013;</b> The Company recognizes a provision for
 doubtful accounts each month based upon the Company&#x2019;s
 experience in collecting electric and gas utility service accounts
 receivable in prior years. At the end of each month, an analysis of
 the delinquent receivables is performed which takes into account an
 assumption about the cash recovery of delinquent receivables. The
 analysis also calculates the amount of <font style="WHITE-SPACE: nowrap">written-off</font> receivables that are
 recoverable through regulatory rate reconciling mechanisms. The
 Company&#x2019;s distribution utilities are authorized by regulators
 to recover the costs of their energy commodity portion of bad debts
 through rate mechanisms. Also, the electric and gas divisions of
 Fitchburg are authorized to recover through rates past due amounts
 associated with hardship accounts that are protected from
 <font style="WHITE-SPACE: nowrap">shut-off.</font> Evaluating the
 adequacy of the Allowance for Doubtful Accounts requires judgment
 about the assumptions used in the analysis. It has been the
 Company&#x2019;s experience that the assumptions it has used in
 evaluating the adequacy of the Allowance for Doubtful Accounts have
 proven to be reasonably accurate.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Allowance for Doubtful
 Accounts as of March&#xA0;31, 2019, March&#xA0;31, 2018 and
 December&#xA0;31, 2018, which are included in Accounts Receivable,
 Net on the accompanying unaudited consolidated balance sheets, was
 as follows:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="10"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Allowance for Doubtful
 Accounts</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy', window );">Accrued Revenue</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Accrued Revenue
 &#x2013;</b> Accrued Revenue includes the current portion of
 Regulatory Assets and unbilled revenues. The following table shows
 the components of Accrued Revenue as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Accrued
 Revenue ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Regulatory Assets &#x2013;
 Current</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>29.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">41.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Unbilled
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">13.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Accrued
 Revenue</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>40.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">45.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">54.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReceivablesPolicyTextBlock', window );">Exchange Gas Receivable</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Exchange Gas Receivable
 &#x2013;</b> Northern Utilities and Fitchburg have gas exchange and
 storage agreements whereby natural gas purchases during the months
 of April through October are delivered to a third party. The third
 party delivers natural gas back to the Company during the months of
 November through March. The exchange and storage gas volumes are
 recorded at weighted average cost. The following table shows the
 components of Exchange Gas Receivable as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Exchange Gas
 Receivable ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Northern
 Utilities</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Exchange Gas
 Receivable</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryPolicyTextBlock', window );">Gas Inventory</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Gas Inventory</b>
 &#x2013; The Company uses the weighted average cost methodology to
 value natural gas inventory. The following table shows the
 components of Gas Inventory as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas
 Inventory ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Natural Gas</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Propane</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Liquefied Natural
 Gas&#xA0;&amp; Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas
 Inventory</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock', window );">Utility Plant</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Utility Plant
 &#x2013;</b> The cost of additions to Utility Plant and the cost of
 renewals and betterments are capitalized. Cost consists of labor,
 materials, services and certain indirect construction costs,
 including an allowance for funds used during construction (AFUDC).
 The costs of current repairs and minor replacements are charged to
 appropriate operating expense accounts. The original cost of
 utility plant retired or otherwise disposed of is charged to the
 accumulated provision for depreciation. The Company includes in its
 mass asset depreciation rates, which are periodically reviewed as
 part of its ratemaking proceedings, cost of removal amounts to
 provide for future negative salvage value. At March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the Company
 estimates that the cost of removal amounts, which are recorded on
 the Consolidated Balance Sheets in Cost of Removal Obligations are
 $93.7&#xA0;million, $86.6&#xA0;million, and $90.7&#xA0;million,
 respectively.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeLeasesPolicyTextBlock', window );">Leases</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Leases &#x2013;</b> On
 January&#xA0;1, 2019, the Company adopted ASU <font style="WHITE-SPACE: nowrap">No.&#xA0;2016-02,</font> &#x201C;Leases (Topic
 842)&#x201D;<i>.</i> The new standard requires lessees to record
 assets and liabilities on the balance sheet for all leases with
 terms longer than 12 months. Leases will be classified as either
 finance or operating, with classification affecting the pattern of
 expense recognition in the income statement. The Company elected
 the package of practical expedients permitted under the transition
 guidance within the new standard, which among other things, allows
 the Company to carryforward the historical lease classification.
 The Company also elected the practical expedient related to land
 easements, allowing the Company to carry forward its current
 accounting treatment for land easements on existing agreements. The
 Company made an accounting policy election to keep leases with an
 initial term of 12 months or less off of the balance sheet. The
 Company recognizes those lease payments in the Consolidated
 Statements of Earnings on a straight-line basis over the lease
 term.&#xA0;The adoption of the standard resulted in recognition of
 approximately $4.2&#xA0;million of lease assets and lease
 liabilities as of January&#xA0;1, 2019 on the Company&#x2019;s
 Consolidated Balance Sheets. The Company&#x2019;s adoption of the
 standard did not have a material effect on its Consolidated
 Statements of Earnings and Consolidated Statements of Cash
 Flows.&#xA0;See additional discussion below in the
 &#x201C;Leases&#x201D; section of Note 4 to the Consolidated
 Financial Statements.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPolicyTextBlock', window );">Regulatory Accounting</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Accounting
 &#x2013;</b> The Company&#x2019;s principal business is the
 distribution of electricity and natural gas by the three
 distribution utilities: Unitil Energy, Fitchburg and Northern
 Utilities. Unitil Energy and Fitchburg are subject to regulation by
 the FERC. Fitchburg is also regulated by the Massachusetts
 Department of Public Utilities (MDPU), Unitil Energy is regulated
 by the New Hampshire Public Utilities Commission (NHPUC) and
 Northern Utilities is regulated by the Maine Public Utilities
 Commission (MPUC) and NHPUC. Granite State, the Company&#x2019;s
 natural gas transmission pipeline, is regulated by the FERC.
 Accordingly, the Company uses the Regulated Operations guidance as
 set forth in the FASB Codification. The Company has recorded
 Regulatory Assets and Regulatory Liabilities which will be
 recovered from customers, or applied for customer benefit, in
 accordance with rate provisions approved by the applicable public
 utility regulatory commission.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="78%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulatory
 Assets consist of the following ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Retirement
 Benefits</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>72.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">85.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">72.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Energy Supply&#xA0;&amp;
 Other Rate Adjustment Mechanisms</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>25.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">31.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">38.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Deferred Storm
 Charges</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Environmental</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">9.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Income Taxes</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Deferred
 Charges</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>11.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Regulatory
 Assets</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>127.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">145.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">140.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current Portion of
 Regulatory Assets</font><font style="FONT-FAMILY: Times New Roman" size="1"><sup style="VERTICAL-ALIGN: baseline; POSITION: relative; BOTTOM: 0.8ex">(1)</sup></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>29.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">41.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Assets
 &#x2013; noncurrent</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>97.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">111.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">99.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Reflects amounts included
 in Accrued Revenue, discussed above, on the Company&#x2019;s
 Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulatory
 Liabilities consist of the following ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Income Taxes (Note
 8)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>48.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">49.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Energy Supply&#xA0;&amp;
 Other Rate Adjustment Mechanisms</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>13.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">11.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Gas Pipeline Refund (Note
 6)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Regulatory
 Liabilities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>62.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">60.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">58.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current Portion of
 Regulatory Liabilities</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">11.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Liabilities
 &#x2013; noncurrent</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>47.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">49.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Generally, the Company
 receives a return on investment on its regulated assets for which a
 cash outflow has been made. Included in Regulatory Assets as of
 March&#xA0;31, 2019 are $5.9&#xA0;million of environmental costs,
 rate case costs and other expenditures to be recovered over varying
 periods in the next seven years. Regulators have authorized
 recovery of these expenditures, but without a return. Regulatory
 commissions can reach different conclusions about the recovery of
 costs, which can have a material impact on the Company&#x2019;s
 Consolidated Financial Statements. The Company believes it is
 probable that its regulated distribution and transmission utilities
 will recover their investments in long-lived assets, including
 regulatory assets. If the Company, or a portion of its assets or
 operations, were to cease meeting the criteria for application of
 these accounting rules, accounting standards for businesses in
 general would become applicable and immediate recognition of any
 previously deferred costs, or a portion of deferred costs, would be
 required in the year in which the criteria are no longer met, if
 such deferred costs were not recoverable in the portion of the
 business that continues to meet the criteria for application of the
 FASB Codification topic on Regulated Operations. If unable to
 continue to apply the FASB Codification provisions for Regulated
 Operations, the Company would be required to apply the provisions
 for the Discontinuation of Rate-Regulated Accounting included in
 the FASB Codification. In the Company&#x2019;s opinion, its
 regulated operations will be subject to the FASB Codification
 provisions for Regulated Operations for the foreseeable
 future.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativesPolicyTextBlock', window );">Derivatives</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Derivatives &#x2013;</b>
 The Company&#x2019;s regulated energy subsidiaries enter into energy
 supply contracts to serve their electric and gas customers. The
 Company follows a procedure for determining whether each contract
 qualifies as a derivative instrument under the guidance provided by
 the FASB Codification on Derivatives and Hedging. For each
 contract, the Company reviews and documents the key terms of the
 contract. Based on those terms and any additional relevant
 components of the contract, the Company determines and documents
 whether the contract qualifies as a derivative instrument as
 defined in the FASB Codification. The Company has determined that
 none of its energy supply contracts qualify as a derivative
 instrument under the guidance set forth in the FASB
 Codification.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesPolicy', window );">Investments in Marketable Securities</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Investments in
 Marketable Securities</b> &#x2013; The Company has a trust through
 which it invests in a variety of equity and fixed income mutual
 funds. These funds are intended to satisfy obligations under the
 Company&#x2019;s Supplemental Executive Retirement Plan (SERP) (See
 further discussion of the SERP in Note 9.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">At March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the fair value of
 the Company&#x2019;s investments in these trading securities, which
 are recorded on the Consolidated Balance Sheets in Other Assets,
 were $5.1&#xA0;million, $5.1 and $4.8&#xA0;million, respectively,
 as shown in the table below. These investments are valued based on
 quoted prices from active markets and are categorized in
 Level&#xA0;1 as they are actively traded and no valuation
 adjustments have been applied. Changes in the fair value of these
 investments are recorded in Other Expense, Net.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair Value
 of Marketable Securities ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Equity Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Fixed Income
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Money Market
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Marketable
 Securities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Company also sponsors
 the Unitil Corporation Deferred Compensation Plan (the &#x201C;DC
 Plan&#x201D;). The DC Plan is a <font style="WHITE-SPACE: nowrap">non-qualified</font> deferred compensation
 plan that provides a vehicle for participants to accumulate
 <font style="WHITE-SPACE: nowrap">tax-deferred</font> savings to
 supplement retirement income. The DC Plan, which was effective
 January&#xA0;1, 2019, is open to senior management or other highly
 compensated employees as determined by the Company&#x2019;s Board of
 Directors, and may also be used for recruitment and retention
 purposes for newly hired senior executives. The DC Plan design
 mirrors the Company&#x2019;s Tax Deferred Savings and Investment
 Plan formula, but provides for contributions on compensation above
 the IRS limit, which will allow participants to defer up to 85% of
 base salary, and up to 85% of any cash incentive for retirement.
 The Company may also elect to make discretionary contributions on
 behalf of any participant in an amount determined by the
 Company&#x2019;s Board of Directors. A trust has been established to
 invest the funds associated with the DC Plan.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">At March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018, the fair value of
 the Company&#x2019;s investments in these trading securities related
 to the DC Plan, which are recorded on the Consolidated Balance
 Sheets in Other Assets, were $0.1&#xA0;million, $0 and $0,
 respectively, as shown in the table below. These investments are
 valued based on quoted prices from active markets and are
 categorized in Level&#xA0;1 as they are actively traded and no
 valuation adjustments have been applied. Changes in the fair value
 of these investments are recorded in Other Expense, Net.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair Value
 of Marketable Securities ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Equity Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Money Market
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Marketable
 Securities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SupplyCommitmentPolicyTextBlock', window );">Energy Supply Obligations</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Energy Supply
 Obligations &#x2013;</b> The following discussion and table
 summarize the nature and amounts of the items recorded as Energy
 Supply Obligations (current portion) and Other Noncurrent
 Liabilities (noncurrent portion) on the Company&#x2019;s
 Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="81%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Energy
 Supply Obligations ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Current:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Exchange Gas
 Obligation</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Renewable Energy Portfolio
 Standards</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Power Supply Contract
 Divestitures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Energy Supply
 Obligations &#x2013; Current</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">13.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Long-Term:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Power Supply Contract
 Divestitures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Energy Supply
 Obligations</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
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 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Exchange Gas
 Obligation</b> &#x2013; As discussed above, Northern Utilities
 enters into gas exchange agreements under which Northern Utilities
 releases certain natural gas pipeline and storage assets, resells
 the natural gas storage inventory to an asset manager and
 subsequently repurchases the inventory over the course of the
 natural gas heating season at the same price at which it sold the
 natural gas inventory to the asset manager. The gas inventory
 related to these agreements is recorded in Exchange Gas Receivable
 on the Company&#x2019;s Consolidated Balance Sheets while the
 corresponding obligations are recorded in Energy Supply
 Obligations.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Renewable Energy
 Portfolio Standards</b> &#x2013; Renewable Energy Portfolio
 Standards (RPS) require retail electricity suppliers, including
 public utilities, to demonstrate that required percentages of their
 sales are met with power generated from certain types of resources
 or technologies. Compliance is demonstrated by purchasing and
 retiring Renewable Energy Certificates (REC) generated by
 facilities approved by the state as qualifying for REC treatment.
 Unitil Energy and Fitchburg purchase RECs in compliance with RPS
 legislation in New Hampshire and Massachusetts for supply provided
 to default service customers. RPS compliance costs are a supply
 cost that is recovered in customer default service rates. Unitil
 Energy and Fitchburg collect RPS compliance costs from customers
 throughout the year and demonstrate compliance for each calendar
 year on the following July 1. Due to timing differences between
 collection of revenue from customers and payment of REC costs to
 suppliers, Unitil Energy and Fitchburg typically maintain accrued
 revenue for RPS compliance which is recorded in Accrued Revenue
 with a corresponding liability in Energy Supply Obligations on the
 Company&#x2019;s Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg has entered into
 long-term renewable contracts for the purchase of clean energy
 and/or renewable energy certificates (RECs) pursuant to
 Massachusetts legislation, specifically, An Act Relative to Green
 Communities (&#x201C;Green Communities Act&#x201D;, 2008), An Act
 Relative to Competitively Priced Electricity in the Commonwealth
 (2012)&#xA0;and An Act to Promote Energy Diversity (&#x201C;Energy
 Diversity Act&#x201D;, 2016). The generating facilities associated
 with four of these contracts have been constructed and are now
 operating. Since 2017, the Company has participated in two major
 statewide procurements which resulted in contracts for imported
 hydroelectric power and associated transmission and for offshore
 wind generation. The contracts were filed with MDPU in 2018 and
 approvals remain pending.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Additional long-term clean
 energy contracts are expected in compliance with the Energy
 Diversity Act and An Act to Promote a Clean Energy Future (2018).
 Fitchburg recovers the costs associated with long-term renewable
 contracts on a fully reconciling basis through a MDPU-approved cost
 recovery mechanism.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Power Supply Contract
 Divestitures &#x2013;</b> Unitil Energy&#x2019;s and
 Fitchburg&#x2019;s customers are entitled to purchase their electric
 or natural gas supplies from third-party suppliers. In connection
 with the implementation of retail choice, Unitil Power, which
 formerly functioned as the wholesale power supply provider for
 Unitil Energy, and Fitchburg divested their long-term power supply
 contracts through the sale of the entitlements to the electricity
 sold under those contracts. Unitil Energy and Fitchburg recover in
 their rates all the costs associated with the divestiture of their
 power supply portfolios and have secured regulatory approval from
 the NHPUC and MDPU, respectively, for the recovery of power
 supply-related stranded costs. The obligations related to these
 divestitures are recorded in Energy Supply Obligations (current
 portion) and Other Noncurrent Liabilities (noncurrent portion) on
 the Company&#x2019;s Consolidated Balance Sheets with corresponding
 regulatory assets recorded in Accrued Revenue (current portion) and
 Regulatory Assets (noncurrent portion).</font></p>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RecentlyIssuedAccountingPronouncementsPolicyTextBlock', window );">Recently Issued Pronouncements</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Recently Issued
 Pronouncements &#x2013;</b> In February 2016, the FASB issued ASU
 <font style="WHITE-SPACE: nowrap">No.&#xA0;2016-02,</font>
 &#x201C;Leases (Topic 842)&#x201D;. The new standard requires lessees
 to record assets and liabilities on the balance sheet for all
 leases with terms longer than 12 months. The Company adopted the
 standard as of January&#xA0;1, 2019. See &#x201C;Leases&#x201D; above
 in Note 1.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Other than the
 pronouncement discussed above, there are no recently issued
 pronouncements that the Company has not already adopted or that
 have a material impact on the Company.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventsPolicyPolicyTextBlock', window );">Subsequent Events</a></td>
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 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Subsequent Events
 &#x2013;</b> The Company evaluates all events or transactions
 through the date of the related filing. During the period through
 the date of this filing, the Company did not have any material
 subsequent events that would result in adjustment to or disclosure
 in its Consolidated Financial Statements.</font></p>
 </div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for its derivative instruments and hedging activities.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=66092785&amp;loc=d3e4556-108314<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109236672&amp;loc=d3e543-108305<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=66092785&amp;loc=d3e4492-108314<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for leasing arrangement entered into by lessee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918666-209980<br></p></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for investment classified as marketable security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 320<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=75019621&amp;loc=d3e62652-112803<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MarketableSecuritiesPolicy</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentPolicyTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for public utilities. Examples include a discussion about the scope criteria and appropriateness for and extent of the application of generally accepted accounting principles related to accounting for the effects of certain types of regulation (may include identification of specific business units). Other examples of the disclosures may include: descriptions of the form and economic effects of regulation (for example, but not limited to, recording of regulatory assets and liabilities to the rate setting process); statement about periodic assessments of periodic assessments of generally accepted accounting principles related to accounting for the effects of certain types of regulation; information regarding amortization of and return on regulatory assets and liabilities, including the remaining amounts and recovery or settlement periods; accounting for changes to recovery estimates; AFUDC, plant abandonment's and plant disallowances.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 10<br> -Section 05<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=79984601&amp;loc=d3e39995-110364<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for trade and other accounts receivable, and finance, loan and lease receivables, including those classified as held for investment and held for sale. This disclosure may include (1) the basis at which such receivables are carried in the entity's statements of financial position (2) how the level of the valuation allowance for receivables is determined (3) when impairments, charge-offs or recoveries are recognized for such receivables (4) the treatment of origination fees and costs, including the amortization method for net deferred fees or costs (5) the treatment of any premiums or discounts or unearned income (6) the entity's income recognition policies for such receivables, including those that are impaired, past due or placed on nonaccrual status and (7) the treatment of foreclosures or repossessions (8) the nature and amount of any guarantees to repurchase receivables.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84159169&amp;loc=d3e10133-111534<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e4975-111524<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReceivablesPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueRecognitionPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18726-107790<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18823-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueRecognitionPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventsPolicyPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for reporting subsequent events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventsPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for treatment of receivables that are billable but have not been billed as of the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5144-111524<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5033-111524<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84159169&amp;loc=d3e10133-111534<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5093-111524<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TradeAndOtherAccountsReceivableUnbilledReceivablesPolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilityRevenueAndExpenseRecognitionPolicy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policies and anticipated effects of regulatory rulings and on rate-setting regarding revenues and expenses incurred and recovered, including billed and unbilled revenues, revenues collected subject to refund, taxes collected from customers and remitted to governmental authorities, and postretirement benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 10<br> -Section 05<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=79984601&amp;loc=d3e40187-110364<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilityRevenueAndExpenseRecognitionPolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_AllowanceForDoubtfulAccountsPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Allowance For Doubtful Accounts, Policy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_AllowanceForDoubtfulAccountsPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Divestitures Policy [Policy Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_DivestituresPolicyPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of the Company and its subsidiaries businesses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Recently Issued Accounting Pronouncements, Policy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Nature and amounts of items recorded as Energy Supply Obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6773776528">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ComponentsOfGasOperatingRevenueAndElectricOperatingRevenueTableTextBlock', window );">Components of Gas and Electric Operating Revenue</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="2">In the following tables,
 revenue is classified by the types of goods/services rendered and
 market/customer type.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="80%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>&#xA0;&#xA0;&#xA0;&#xA0;Three&#xA0;Months&#xA0;Ended&#xA0;March&#xA0;31,&#xA0;2019&#xA0;&#xA0;&#xA0;&#xA0;
 &#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas and
 Electric Operating Revenues ($ millions):</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Residential</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">38.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">35.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">C&amp;I</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">54.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">24.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">78.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">99.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">62.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">161.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(12.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(10.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas and Electric
 Operating Revenues</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>86.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>64.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>151.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="78%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>&#xA0;&#xA0;&#xA0;&#xA0;Three&#xA0;Months&#xA0;Ended&#xA0;March&#xA0;31,&#xA0;2018&#xA0;&#xA0;&#xA0;&#xA0;
 &#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas and
 Electric Operating Revenues ($ millions):</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Residential</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">35.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">70.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">C&amp;I</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">24.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">91.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">61.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">153.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(8.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas and Electric
 Operating Revenues</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>87.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>57.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>144.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_AllowanceForDoubtfulAccountsTableTextBlock', window );">Allowance for Doubtful Accounts Included in Accounts Receivable Net</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The Allowance for Doubtful
 Accounts as of March&#xA0;31, 2019, March&#xA0;31, 2018 and
 December&#xA0;31, 2018, which are included in Accounts Receivable,
 Net on the accompanying unaudited consolidated balance sheets, was
 as follows:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="10"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Allowance for Doubtful
 Accounts</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_UnbilledAccountsReceivableTableTextBlock', window );">Components of Accrued Revenue</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table shows
 the components of Accrued Revenue as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Accrued
 Revenue ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Regulatory Assets &#x2013;
 Current</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>29.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">41.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Unbilled
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">13.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Accrued
 Revenue</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>40.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">45.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">54.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ScheduleOfOtherAccountsReceivableTableTextBlock', window );">Components of Exchange Gas Receivable</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table shows
 the components of Exchange Gas Receivable as of March&#xA0;31,
 2019, March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Exchange Gas
 Receivable ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Northern
 Utilities</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Fitchburg</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Exchange Gas
 Receivable</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfUtilityInventoryTextBlock', window );">Components of Gas Inventory</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table shows
 the components of Gas Inventory as of March&#xA0;31, 2019,
 March&#xA0;31, 2018 and December&#xA0;31, 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas
 Inventory ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Natural Gas</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Propane</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Liquefied Natural
 Gas&#xA0;&amp; Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Gas
 Inventory</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryAssetsTextBlock', window );">Regulatory Assets</a></td>
<td class="text"><div>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="78%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulatory
 Assets consist of the following ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Retirement
 Benefits</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>72.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">85.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">72.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Energy Supply&#xA0;&amp;
 Other Rate Adjustment Mechanisms</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>25.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">31.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">38.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Deferred Storm
 Charges</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Environmental</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">9.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Income Taxes</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Deferred
 Charges</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>11.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Regulatory
 Assets</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>127.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">145.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">140.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current Portion of
 Regulatory Assets</font><font style="FONT-FAMILY: Times New Roman" size="1"><sup style="VERTICAL-ALIGN: baseline; POSITION: relative; BOTTOM: 0.8ex">(1)</sup></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>29.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">34.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">41.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Assets
 &#x2013; noncurrent</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>97.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">111.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">99.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Reflects amounts included
 in Accrued Revenue, discussed above, on the Company&#x2019;s
 Consolidated Balance Sheets.</font></p>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock', window );">Regulatory Liabilities</a></td>
<td class="text"><div>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulatory
 Liabilities consist of the following ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Income Taxes (Note
 8)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>48.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">49.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Energy Supply&#xA0;&amp;
 Other Rate Adjustment Mechanisms</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>13.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">11.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Gas Pipeline Refund (Note
 6)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Regulatory
 Liabilities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>62.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">60.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">58.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current Portion of
 Regulatory Liabilities</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">11.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Regulatory Liabilities
 &#x2013; noncurrent</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>47.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">49.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesTextBlock', window );">Fair Value of Marketable Securities</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Changes in the fair value
 of these investments are recorded in Other Expense, Net.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair Value
 of Marketable Securities ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Equity Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Fixed Income
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Money Market
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Marketable
 Securities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplyCommitmentTableTextBlock', window );">Components of Energy Supply Obligations</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following discussion
 and table summarize the nature and amounts of the items recorded as
 Energy Supply Obligations (current portion) and Other Noncurrent
 Liabilities (noncurrent portion) on the Company&#x2019;s
 Consolidated Balance Sheets.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="81%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Energy
 Supply Obligations ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Current:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Exchange Gas
 Obligation</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Renewable Energy Portfolio
 Standards</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Power Supply Contract
 Divestitures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Energy Supply
 Obligations &#x2013; Current</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">13.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Long-Term:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Power Supply Contract
 Divestitures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Energy Supply
 Obligations</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=utl_DeferredCompensationPlanMember', window );">Deferred Compensation Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesTextBlock', window );">Fair Value of Marketable Securities</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">Changes in the fair value
 of these investments are recorded in Other Expense, Net.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Fair Value
 of Marketable Securities ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Equity Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Money Market
 Funds</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Marketable
 Securities</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of all information related to inventories for utilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of arrangements in which the entity has committed resources to supply goods or services to a customer. May include identification of the goods or services to be furnished, identity of the purchasing party, pricing, effects on pricing for failing to deliver the [minimum] quantities required to be furnished, cancellation rights, and termination provisions.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Allowance for Doubtful Accounts, Table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Components of gas operating revenue and electric operating revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of the components and amounts included in Exchange Gas Receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of the components and amounts included in Accrued Revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6923659184">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DIVIDENDS DECLARED PER SHARE (Tables)<br></strong></div></th>
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 <font style="FONT-FAMILY: Times New Roman" size="2">07/25/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">08/29/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">08/15/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$0.365</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">04/25/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">05/29/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">05/15/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$&#xA0;0.365</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top" align="center">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em" align="center">
 <font style="FONT-FAMILY: Times New Roman" size="2">01/30/18</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">02/28/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">02/14/18</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" align="center"><font style="FONT-FAMILY: Times New Roman" size="2">$&#xA0;0.365</font></td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsDeclaredTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of information related to dividends declared, including paid and unpaid dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsDeclaredTableTextBlock</td>
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<td>nonnum:textBlockItemType</td>
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<td>duration</td>
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</div></td></tr>
</table></div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>34
<FILENAME>R20.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6591995808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SEGMENT INFORMATION (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock', window );">Significant Segment Financial Data</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table
 provides significant segment financial data for the three months
 ended March&#xA0;31, 2019 and March&#xA0;31, 2018:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="71%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">&#xA0;<font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Gas</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Electric</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Non-</b></font><br />
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Regulated</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Other</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1pt">
 <td height="8"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Three Months
 Ended March&#xA0;31, 2019 ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Revenues:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>99.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>62.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>161.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(12.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(10.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Operating Revenue
 &#x2013; <font style="WHITE-SPACE: nowrap">Non-Regulated</font></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Operating
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>86.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>64.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>152.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Segment Profit
 (Loss)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>13.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>26.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Identifiable Segment
 Assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>771.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>502.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>16.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,290.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Capital
 Expenditures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>6.6</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1pt">
 <td height="8"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 <td height="8" colspan="4"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Three Months
 Ended March&#xA0;31, 2018 ($ millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" colspan="2"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Revenues:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Billed and Unbilled
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">91.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">61.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">153.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rate Adjustment Mechanism
 Revenue</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(4.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(8.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Operating Revenue
 &#x2013; <font style="WHITE-SPACE: nowrap">Non-Regulated</font></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 2em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Operating
 Revenues</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">87.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">57.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;145.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Segment Profit
 (Loss)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">12.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(0.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Identifiable Segment
 Assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">712.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
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 Expenditures</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6924486128">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEBT AND FINANCING ARRANGEMENTS (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtInstrumentsTextBlock', window );">Details on Long Term Debt</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 6px"><font style="FONT-FAMILY: Times New Roman" size="2">Details on long-term debt
 at March&#xA0;31, 2019, March&#xA0;31, 2018 and December&#xA0;31,
 2018 are shown below:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
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 <td></td>
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 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
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 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom"><font size="1">&#xA0;</font></td>
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 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
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 Corporation:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.33% Senior Notes, Due
 May&#xA0;1, 2022</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>20.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.70% Senior Notes, Due
 August&#xA0;1, 2026</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>30.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
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 <td valign="top">
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 Mortgage Bonds:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
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 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">5.24% Senior Secured Notes,
 Due March&#xA0;2, 2020</font></p>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">8.49% Senior Secured Notes,
 Due October&#xA0;14, 2024</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>6.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">6.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.96% Senior Secured Notes,
 Due September&#xA0;1, 2028</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>20.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">8.00% Senior Secured Notes,
 Due May&#xA0;1, 2031</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.32% Senior Secured Notes,
 Due September&#xA0;15, 2036</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.18% Senior Secured Notes,
 Due November&#xA0;30, 2048</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>30.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Fitchburg:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.75% Senior Notes, Due
 November&#xA0;30, 2023</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5.7</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.79% Senior Notes, Due
 October&#xA0;15, 2025</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.52% Senior Notes, Due
 November&#xA0;1, 2027</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>10.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.37% Senior Notes, Due
 January&#xA0;15, 2029</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>12.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">12.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">12.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">5.90% Senior Notes, Due
 December&#xA0;15, 2030</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.98% Senior Notes, Due
 June&#xA0;1, 2031</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>14.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.32% Senior Notes, Due
 November&#xA0;1, 2047</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Northern
 Utilities:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">6.95% Senior Notes, Due
 December&#xA0;3, 2018</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">10.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">5.29% Senior Notes, Due
 March&#xA0;2, 2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>8.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">16.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">16.6</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.52% Senior Notes, Due
 November&#xA0;1, 2027</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>20.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">20.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.72% Senior Notes, Due
 December&#xA0;3, 2038</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>50.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.42% Senior Notes, Due
 October&#xA0;15, 2044</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>50.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">50.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">4.32% Senior Notes, Due
 November&#xA0;1, 2047</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>30.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">30.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Granite
 State:</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">7.15% Senior Notes, Due
 December&#xA0;15, 2018</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">3.72% Senior Notes, Due
 November&#xA0;1, 2027</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>15.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Long-Term
 Debt</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>395.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">396.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">409.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Unamortized Debt
 Issuance Costs</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.4</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.5</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Long-Term Debt, net
 of Unamortized Debt Issuance Costs</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>392.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">392.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">405.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Current
 Portion</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>19.5</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">29.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">18.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Long-term Debt, Less
 Current Portion</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>373.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">363.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">387.4</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock', window );">Fair Value of Long Term Debt</a></td>
<td class="text"><div>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="79%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Estimated Fair Value of
 Long-Term Debt</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>418.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">428.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">422.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtTableTextBlock', window );">Borrowing Limits Amounts Outstanding and Amounts Available under Credit Facility</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table details
 the borrowing limits, amounts outstanding and amounts available
 under the Credit Facility as of March&#xA0;31, 2019, March&#xA0;31,
 2018 and December&#xA0;31, 2018:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="79%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Revolving Credit
 Facility</b></font><br />
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>($&#xA0;millions)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Limit</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>120.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">120.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">120.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Short-Term Borrowings
 Outstanding</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>65.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">45.3</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">82.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Available</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>54.2</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">74.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">37.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ScheduleOfCapitalLeasesObligationsTableTextBlock', window );">Classification of the Company Lease Obligations</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The balance sheet
 classification of the Company&#x2019;s lease obligations was as
 follows:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="82%"></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="4%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>December&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap">
 <p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Lease Obligations ($
 millions)</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Operating Lease
 Obligations:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Current Liabilities
 (current portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Noncurrent
 Liabilities (long-term portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Operating Lease
 Obligations</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Capital Lease
 Obligations:</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Current Liabilities
 (current portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Other Noncurrent
 Liabilities (long-term portion)</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.9</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.7</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 5em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Total Capital Lease
 Obligations</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4.9</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 7em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Lease
 Obligations</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>8.8</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">8.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">5.8</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ScheduleOfFutureMinimumPaymentsForObligationsTableTextBlock', window );">Future Operating Lease Payment Obligations and Future Minimum Lease Payments under Capital Leases</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table is a
 schedule of future operating lease payment obligations and future
 minimum lease payments under capital leases as of March&#xA0;31,
 2019. The payments for capital leases consist of $3.0&#xA0;million
 of current capital lease obligations, which are included in Other
 Current Liabilities and $1.9&#xA0;million of noncurrent capital
 lease obligations, which are included in Other Noncurrent
 Liabilities, on the Company&#x2019;s Consolidated Balance Sheets as
 of March&#xA0;31, 2019. $2.8&#xA0;million of the current capital
 lease obligations and $1.6&#xA0;million of the noncurrent capital
 lease obligations reflect amounts under a financing arrangement
 entered into in April 2014 for various information systems and
 technology equipment. The financing arrangement is structured as a
 capital lease obligation.</font></p>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The payments for operating
 leases consist of $1.1&#xA0;million of current operating lease
 obligations, which are included in Other Current Liabilities and
 $2.8&#xA0;million of noncurrent operating lease obligations, which
 are included in Other Noncurrent Liabilities, on the
 Company&#x2019;s Consolidated Balance Sheets as of March&#xA0;31,
 2019.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 1px; MARGIN-TOP: 12px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="86%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Lease Payments ($000&#x2019;s)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Operating</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Capital</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Year Ending
 December&#xA0;31,</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Rest of 2019</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">967</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2,369</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,141</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2,576</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2021</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">972</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">96</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2022</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">691</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">33</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2023</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">391</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">15</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2024-2028</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">119</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total
 Payments</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4,281</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>5,089</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Interest</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">426</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">122</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Amount of Lease
 Obligations Recorded on Consolidated Balance Sheets</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3,855</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>4,967</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 </table>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The payment amounts in the
 following table, which are as of December&#xA0;31, 2018, would not
 differ substantially from the payment amounts as of March&#xA0;31,
 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="86%"></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="3%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Lease Payments ($000&#x2019;s)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Operating</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Capital</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Year Ending
 December&#xA0;31,</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Leases</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2019</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,372</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3,069</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2020</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,138</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2,535</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2021</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">969</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">93</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2022</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">689</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2023</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">390</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">14</font></td>
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 <tr style="PAGE-BREAK-INSIDE: avoid">
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 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">2024-2028</font></p>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
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 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td>&#xA0;</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Restricted Stock Units as
 of March&#xA0;31, 2019</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>62,206</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>38.36</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 <td valign="bottom"></td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
</table>
<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the change in restricted stock units (RSUs).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfUnvestedRestrictedStockUnitsRollForwardTableTextBlock</td>
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<td>nonnum:textBlockItemType</td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>37
<FILENAME>R23.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
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<head>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6695317536">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>ENVIRONMENTAL MATTERS (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock', window );">Environmental Obligations Recognized by Company</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table sets
 forth a summary of changes in the Company&#x2019;s liability for
 Environmental Obligations for the three months ended March&#xA0;31,
 2019 and 2018.</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="76%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Environmental Obligations</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="6"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="6"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" colspan="6"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>($
 millions)</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Fitchburg</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Northern<br />
 Utilities</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Total</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Three months ended
 March&#xA0;31,</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Balance at
 Beginning of Period</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Additions</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Less: Payments /
 Reductions</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>0.1</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.2</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><b>Total Balance at End of
 Period</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">0.1</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2.0</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>2.0</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom">&#xA0;&#xA0;</td>
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 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td>&#xA0;</td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1.4</b></font></td>
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 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
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 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
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 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td valign="bottom">&#xA0;&#xA0;</td>
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 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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<div style="display: none;"><table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13296-110859<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q2)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13283-110859<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6925130784">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>RETIREMENT BENEFIT OBLIGATIONS (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock', window );">Key Weighted Average Assumptions Used in Determining Benefit Plan Costs and Obligations</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table
 includes the key weighted average assumptions used in determining
 the Company&#x2019;s benefit plan costs and obligations:</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
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 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" nowrap="nowrap">
 <p style="MARGIN-BOTTOM: 1px; MARGIN-TOP: 0px"><font style="FONT-FAMILY: Times New Roman" size="1">Used to Determine Plan
 Costs</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
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 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Discount Rate</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="top">
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 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">3.00</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Expected Long-term rate of
 return on plan assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.75</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">7.75</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
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 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>7.00</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>%&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">4.50</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">%&#xA0;</font></td>
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 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
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 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">2024</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 </table>
 </div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock', window );">Components of Retirement Plan Costs</a></td>
<td class="text"><div>
 <p style="MARGIN-BOTTOM: 0px; MARGIN-TOP: 12px"><font style="FONT-FAMILY: Times New Roman" size="2">The following table
 provides the components of the Company&#x2019;s Retirement plan
 costs ($000&#x2019;s):</font></p>
 <p style="MARGIN-BOTTOM: 0px; FONT-SIZE: 12px; MARGIN-TOP: 0px">
 &#xA0;</p>
 <table style="BORDER-COLLAPSE: collapse" cellspacing="0" cellpadding="0" width="100%" align="center" border="0">
 <tr>
 <td width="65%"></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 <td valign="bottom" width="2%"></td>
 <td></td>
 <td></td>
 <td></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>Pension
 Plan</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>PBOP
 Plan</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>SERP</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="bottom" nowrap="nowrap">
 <p style="BORDER-BOTTOM: #000000 1px solid; DISPLAY: table-cell">
 <font style="FONT-FAMILY: Times New Roman" size="1"><b>Three Months
 Ended March&#xA0;31,</b></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2019</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center"><font style="FONT-FAMILY: Times New Roman" size="1"><b>2018</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Service Cost</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>776</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">848</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>576</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">733</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>60</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">122</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Interest Cost</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,621</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,469</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>856</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">851</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>139</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">101</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Expected Return on Plan
 Assets</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(2,119</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(1,946</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(411</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(409</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#x2014;&#xA0;&#xA0;</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">&#x2014;&#xA0;&#xA0;</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Prior Service Cost
 Amortization</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>80</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">81</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>303</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">327</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>3</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">47</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Actuarial Loss
 Amortization</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,081</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,447</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>57</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">346</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>158</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">122</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 3em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2"><font style="WHITE-SPACE: nowrap">Sub-total</font></font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,439</b></font></td>
 <td valign="bottom" nowrap="nowrap"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,899</font></td>
 <td valign="bottom" nowrap="nowrap"></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,381</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,848</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>360</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">392</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="PAGE-BREAK-INSIDE: avoid" bgcolor="#CCEEFF">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Amounts Capitalized and
 Deferred</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(412</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(720</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(474</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(742</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>(103</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>)&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">(113</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">)&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 1px solid">&#xA0;</p>
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 <td>&#xA0;</td>
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 <tr style="PAGE-BREAK-INSIDE: avoid">
 <td valign="top">
 <p style="MARGIN-LEFT: 1em; TEXT-INDENT: -1em"><font style="FONT-FAMILY: Times New Roman" size="2">Net Periodic Benefit Cost
 Recognized</font></p>
 </td>
 <td valign="bottom"><font size="1">&#xA0;&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>1,027</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,179</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>907</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">1,106</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2"><b>$</b></font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2"><b>257</b></font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2"><b>&#xA0;</b></font></td>
 <td valign="bottom"><font size="1">&#xA0;</font></td>
 <td valign="bottom"><font style="FONT-FAMILY: Times New Roman" size="2">$</font></td>
 <td valign="bottom" align="right"><font style="FONT-FAMILY: Times New Roman" size="2">279</font></td>
 <td valign="bottom" nowrap="nowrap"><font style="FONT-FAMILY: Times New Roman" size="2">&#xA0;</font></td>
 </tr>
 <tr style="FONT-SIZE: 1px">
 <td valign="bottom"></td>
 <td valign="bottom">&#xA0;&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td>&#xA0;</td>
 <td valign="bottom">&#xA0;</td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
 </td>
 <td valign="bottom">
 <p style="BORDER-TOP: #000000 3px double">&#xA0;</p>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786093968">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Additional Information (Detail)<br> $ in Millions</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Mar. 31, 2019 </div>
<div>USD ($) </div>
<div>Subsidiary </div>
<div>mi</div>
</th>
<th class="th">
<div>Jan. 01, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2018 </div>
<div>USD ($)</div>
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</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_LengthOfPipeline', window );">Length Of Pipeline | mi</a></td>
<td class="nump">86<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_GainOnDivestitureOfBusinessPretax', window );">Gain on divestiture of business, pretax</a></td>
<td class="nump">$ 13.4<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NetGainOnDivestitureOfBusiness', window );">Gain on divestiture of business, net</a></td>
<td class="nump">9.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture', window );">Provision for income taxes</a></td>
<td class="nump">3.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationsNoncurrent', window );">Cost of removal obligation</a></td>
<td class="nump">93.7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 90.7<span></span>
</td>
<td class="nump">$ 86.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_LeaseAssets', window );">Recognition of lease assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_LeaseLiabilities', window );">Recognition of lease liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">127.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">140.3<span></span>
</td>
<td class="nump">145.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Investments in trading securities</a></td>
<td class="nump">5.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.8<span></span>
</td>
<td class="nump">5.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=utl_DeferredCompensationPlanMember', window );">Deferred Compensation Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Investments in trading securities</a></td>
<td class="nump">$ 0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.0<span></span>
</td>
<td class="nump">0.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CashEquivalentsMaturityPeriod', window );">Cash equivalents maturity period</a></td>
<td class="text">3 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseTermOfContract', window );">Lease term</a></td>
<td class="text">12 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=utl_NewEnglandMember', window );">ISO-NE Obligations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CashDeposits', window );">Cash Deposits</a></td>
<td class="nump">$ 3.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.5<span></span>
</td>
<td class="nump">$ 3.3<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=utl_EnvironmentalAndRateCaseCostsAndOtherExpendituresMember', window );">Environmental and Rate Case Costs and Other Expenditures | Recovered over the next seven years</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 5.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UtilitiesMember', window );">Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NumberOfSubsidiaries', window );">Number of Subsidiaries | Subsidiary</a></td>
<td class="nump">3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_OtherSubsidiariesMember', window );">Unitil Service; Unitil Realty; and Unitil Resources</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SignificantAccountingPoliciesLineItems', window );"><strong>Significant Accounting Policies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NumberOfSubsidiaries', window );">Number of Subsidiaries | Subsidiary</a></td>
<td class="nump">3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseTermOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918673-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseTermOfContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TradingSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TradingSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_CashDeposits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash Deposits</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_CashDeposits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_CashEquivalentsMaturityPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash Equivalents, Maturity Period</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_CashEquivalentsMaturityPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disposal Group Including Discontinued Operations Tax Effect Of Gain On Divestiture</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_DisposalGroupIncludingDiscontinuedOperationsTaxEffectOfGainOnDivestiture</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_GainOnDivestitureOfBusinessPretax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gain on divestiture of business pretax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_GainOnDivestitureOfBusinessPretax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_LeaseAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Lease assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_LeaseAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_LeaseLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Lease liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_LeaseLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_LengthOfPipeline">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Length of natural gas transmission pipeline.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_LengthOfPipeline</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:lengthItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_NetGainOnDivestitureOfBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net gain on divestiture of business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_NetGainOnDivestitureOfBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_NumberOfSubsidiaries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Subsidiaries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_NumberOfSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_SignificantAccountingPoliciesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Significant Accounting Policies [Line Items]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_SignificantAccountingPoliciesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=utl_DeferredCompensationPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=utl_DeferredCompensationPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=utl_NewEnglandMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=utl_NewEnglandMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=utl_EnvironmentalAndRateCaseCostsAndOtherExpendituresMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=utl_EnvironmentalAndRateCaseCostsAndOtherExpendituresMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PeriodTypeAxis=utl_PeriodFiveMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PeriodTypeAxis=utl_PeriodFiveMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_UtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_UtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_OtherSubsidiariesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_OtherSubsidiariesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>40
<FILENAME>R26.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786891520">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Components of Gas and Electric Operating Revenue (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">$ 151.2<span></span>
</td>
<td class="nump">$ 144.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_BilledAndUnbilledRevenueMember', window );">Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">161.9<span></span>
</td>
<td class="nump">153.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_RateAdjustmentMechanismRevenueMember', window );">Rate Adjustment Mechanism Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="num">(10.7)<span></span>
</td>
<td class="num">(8.5)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember', window );">Gas Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">86.4<span></span>
</td>
<td class="nump">87.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember', window );">Gas Segment | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">99.2<span></span>
</td>
<td class="nump">91.4<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember', window );">Gas Segment | Rate Adjustment Mechanism Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="num">(12.8)<span></span>
</td>
<td class="num">(4.4)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember', window );">Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">64.8<span></span>
</td>
<td class="nump">57.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember', window );">Electric | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">62.7<span></span>
</td>
<td class="nump">61.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember', window );">Electric | Rate Adjustment Mechanism Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">2.1<span></span>
</td>
<td class="num">(4.1)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_ResidentialMember', window );">Residential | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">74.4<span></span>
</td>
<td class="nump">70.2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_ResidentialMember', window );">Residential | Gas Segment | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">38.7<span></span>
</td>
<td class="nump">35.8<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_ResidentialMember', window );">Residential | Electric | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">35.7<span></span>
</td>
<td class="nump">34.4<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_CommercialAndIndustrialMember', window );">C&amp;I | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">78.7<span></span>
</td>
<td class="nump">74.7<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_CommercialAndIndustrialMember', window );">C&amp;I | Gas Segment | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">54.0<span></span>
</td>
<td class="nump">50.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_CommercialAndIndustrialMember', window );">C&amp;I | Electric | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">24.7<span></span>
</td>
<td class="nump">24.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_OtherCustomerMember', window );">Other | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">8.8<span></span>
</td>
<td class="nump">8.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_OtherCustomerMember', window );">Other | Gas Segment | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">6.5<span></span>
</td>
<td class="nump">5.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=utl_OtherCustomerMember', window );">Other | Electric | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_OperatingRevenuesLineItems', window );"><strong>Operating Revenues [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total Gas and Electric Operating Revenues</a></td>
<td class="nump">$ 2.3<span></span>
</td>
<td class="nump">$ 3.1<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130539-203045<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130545-203045<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109196051&amp;loc=SL49130543-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_OperatingRevenuesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_OperatingRevenuesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_BilledAndUnbilledRevenueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_BilledAndUnbilledRevenueMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_RateAdjustmentMechanismRevenueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_RateAdjustmentMechanismRevenueMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=utl_ResidentialMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=utl_ResidentialMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=utl_CommercialAndIndustrialMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=utl_CommercialAndIndustrialMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=utl_OtherCustomerMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=utl_OtherCustomerMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<head>
<title></title>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6925617232">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Allowance for Doubtful Accounts Included in Accounts Receivable Net (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowanceLineItems', window );"><strong>Valuation Allowance [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivable', window );">Allowance for Doubtful Accounts</a></td>
<td class="nump">$ 1.7<span></span>
</td>
<td class="nump">$ 1.3<span></span>
</td>
<td class="nump">$ 1.6<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5074-111524<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ValuationAllowanceLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowanceLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>42
<FILENAME>R28.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6789492928">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Components of Accrued Revenue (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledContractsReceivable', window );">Accrued Revenue</a></td>
<td class="nump">$ 40.2<span></span>
</td>
<td class="nump">$ 54.7<span></span>
</td>
<td class="nump">$ 45.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_UnbilledRevenuesMember', window );">Unbilled Revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledContractsReceivable', window );">Accrued Revenue</a></td>
<td class="nump">10.8<span></span>
</td>
<td class="nump">13.4<span></span>
</td>
<td class="nump">10.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=utl_RegulatoryAssetMember', window );">Regulatory Assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledContractsReceivable', window );">Accrued Revenue</a></td>
<td class="nump">$ 29.4<span></span>
</td>
<td class="nump">$ 41.3<span></span>
</td>
<td class="nump">$ 34.6<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueArrangementLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueArrangementLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnbilledContractsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 310<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68054760&amp;loc=d3e55302-109406<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.3(c)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnbilledContractsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_UnbilledRevenuesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_UnbilledRevenuesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BalanceSheetLocationAxis=utl_RegulatoryAssetMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=utl_RegulatoryAssetMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>43
<FILENAME>R29.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6772849760">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Components of Exchange Gas Receivable (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ReceivablesLineItems', window );"><strong>Receivables [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherReceivablesNetCurrent', window );">Total Exchange Gas Receivable</a></td>
<td class="nump">$ 0.4<span></span>
</td>
<td class="nump">$ 8.1<span></span>
</td>
<td class="nump">$ 0.2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ReceivablesLineItems', window );"><strong>Receivables [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherReceivablesNetCurrent', window );">Total Exchange Gas Receivable</a></td>
<td class="nump">0.2<span></span>
</td>
<td class="nump">7.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ReceivablesLineItems', window );"><strong>Receivables [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherReceivablesNetCurrent', window );">Total Exchange Gas Receivable</a></td>
<td class="nump">$ 0.2<span></span>
</td>
<td class="nump">$ 0.6<span></span>
</td>
<td class="nump">$ 0.2<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherReceivablesNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherReceivablesNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ReceivablesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent receivables.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ReceivablesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>44
<FILENAME>R30.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6774422048">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Components of Gas Inventory (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInventoryLineItems', window );"><strong>Public Utilities, Inventory [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageCostInventoryAmount', window );">Weighted average cost inventory amount</a></td>
<td class="nump">$ 0.5<span></span>
</td>
<td class="nump">$ 0.8<span></span>
</td>
<td class="nump">$ 0.4<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ReserveQuantitiesByTypeOfReserveAxis=srt_NaturalGasLiquidsReservesMember', window );">Liquefied Natural Gas &amp; Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInventoryLineItems', window );"><strong>Public Utilities, Inventory [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageCostInventoryAmount', window );">Weighted average cost inventory amount</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInventoryAxis=us-gaap_PublicUtilitiesInventoryNaturalGasMember', window );">Natural Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInventoryLineItems', window );"><strong>Public Utilities, Inventory [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageCostInventoryAmount', window );">Weighted average cost inventory amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInventoryAxis=us-gaap_PublicUtilitiesInventoryPropaneMember', window );">Propane</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInventoryLineItems', window );"><strong>Public Utilities, Inventory [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageCostInventoryAmount', window );">Weighted average cost inventory amount</a></td>
<td class="nump">$ 0.4<span></span>
</td>
<td class="nump">$ 0.4<span></span>
</td>
<td class="nump">$ 0.3<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInventoryLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInventoryLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageCostInventoryAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of weighted average cost inventory present at the reporting date when inventory is valued using different valuation methods.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageCostInventoryAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ReserveQuantitiesByTypeOfReserveAxis=srt_NaturalGasLiquidsReservesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ReserveQuantitiesByTypeOfReserveAxis=srt_NaturalGasLiquidsReservesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInventoryAxis=us-gaap_PublicUtilitiesInventoryNaturalGasMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInventoryAxis=us-gaap_PublicUtilitiesInventoryNaturalGasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInventoryAxis=us-gaap_PublicUtilitiesInventoryPropaneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInventoryAxis=us-gaap_PublicUtilitiesInventoryPropaneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>45
<FILENAME>R31.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6789405952">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>Regulatory Assets (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 127.3<span></span>
</td>
<td class="nump">$ 140.3<span></span>
</td>
<td class="nump">$ 145.8<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Less: Current Portion of Regulatory Assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">29.4<span></span>
</td>
<td class="nump">41.3<span></span>
</td>
<td class="nump">34.6<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory Assets - noncurrent</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">97.9<span></span>
</td>
<td class="nump">99.0<span></span>
</td>
<td class="nump">111.2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesByNatureOfContingencyAxis=utl_EnvironmentalMattersMember', window );">Environmental Matters</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">7.6<span></span>
</td>
<td class="nump">7.9<span></span>
</td>
<td class="nump">9.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=utl_OtherDeferredChargesMember', window );">Other Deferred Charges</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">11.6<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
<td class="nump">5.2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=utl_PostretirementBenefitMember', window );">Retirement Benefits</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">72.4<span></span>
</td>
<td class="nump">72.0<span></span>
</td>
<td class="nump">85.4<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=utl_ElectricUtilitiesMember', window );">Deferred Storm Charges</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5.9<span></span>
</td>
<td class="nump">6.3<span></span>
</td>
<td class="nump">8.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=utl_IncomeTaxesMember', window );">Income Taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4.7<span></span>
</td>
<td class="nump">5.7<span></span>
</td>
<td class="nump">6.3<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestructuringCostAndReserveAxis=utl_ContractualObligationsMember', window );">Energy Supply &amp; Other Rate Adjustment Mechanisms</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 25.1<span></span>
</td>
<td class="nump">$ 38.4<span></span>
</td>
<td class="nump">$ 31.9<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Reflects amounts included in Accrued Revenue, discussed above, on the Company's Consolidated Balance Sheets.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingenciesByNatureOfContingencyAxis=utl_EnvironmentalMattersMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BalanceSheetLocationAxis=utl_OtherDeferredChargesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=utl_OtherDeferredChargesMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=utl_PostretirementBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=utl_PostretirementBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=utl_ElectricUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=utl_ElectricUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=utl_IncomeTaxesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=utl_IncomeTaxesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestructuringCostAndReserveAxis=utl_ContractualObligationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
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<td></td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6774268912">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Regulatory Liabilities (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Regulatory Liabilities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="nump">$ 62.4<span></span>
</td>
<td class="nump">$ 58.5<span></span>
</td>
<td class="nump">$ 60.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Less: Current Portion of Regulatory Liabilities</a></td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">11.5<span></span>
</td>
<td class="nump">10.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory Liabilities-noncurrent</a></td>
<td class="nump">47.4<span></span>
</td>
<td class="nump">47.0<span></span>
</td>
<td class="nump">49.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember', window );">Other Liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Regulatory Liabilities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="nump">0.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestructuringCostAndReserveAxis=utl_ContractualObligationsMember', window );">Energy Supply &amp; Other Rate Adjustment Mechanisms</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Regulatory Liabilities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="nump">13.6<span></span>
</td>
<td class="nump">11.5<span></span>
</td>
<td class="nump">10.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_GasPipelineRefundMember', window );">Gas Pipeline Refund</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Regulatory Liabilities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_IncomeTaxRelatedLiabilitiesMember', window );">Income Tax Related Liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilitiesLineItems', window );"><strong>Regulatory Liabilities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liabilities</a></td>
<td class="nump">$ 48.2<span></span>
</td>
<td class="nump">$ 47.0<span></span>
</td>
<td class="nump">$ 49.1<span></span>
</td>
<td class="nump">$ 48.9<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilitiesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilitiesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityCurrent</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestructuringCostAndReserveAxis=utl_ContractualObligationsMember</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_GasPipelineRefundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_GasPipelineRefundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_IncomeTaxRelatedLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_IncomeTaxRelatedLiabilitiesMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td></td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6774376384">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair Value of Marketable Securities (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="nump">$ 5.1<span></span>
</td>
<td class="nump">$ 4.8<span></span>
</td>
<td class="nump">$ 5.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=utl_DeferredCompensationPlanMember', window );">Deferred Compensation Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.0<span></span>
</td>
<td class="nump">0.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="nump">5.1<span></span>
</td>
<td class="nump">4.8<span></span>
</td>
<td class="nump">5.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Deferred Compensation Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Equity Funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.9<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Fixed Income Funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Money Market Funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="nump">5.1<span></span>
</td>
<td class="nump">$ 4.8<span></span>
</td>
<td class="nump">$ 1.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Money Market Funds | Deferred Compensation Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradingSecurities', window );">Trading Securities</a></td>
<td class="nump">$ 0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems</td>
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<tr>
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<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TradingSecurities">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TradingSecurities</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=us-gaap_EquityFundsMember</td>
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<td></td>
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<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=us-gaap_FixedIncomeFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=us-gaap_FixedIncomeFundsMember</td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=us-gaap_MoneyMarketFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=us-gaap_MoneyMarketFundsMember</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786764688">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Components of Energy Supply Obligations (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ContractualObligationLineItems', window );"><strong>Contractual Obligation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent', window );">Energy Supply Obligations-Current</a></td>
<td class="nump">$ 4.6<span></span>
</td>
<td class="nump">$ 13.4<span></span>
</td>
<td class="nump">$ 7.8<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyMarketingContractLiabilitiesNoncurrent', window );">Power Supply Contract Divestitures, Noncurrent</a></td>
<td class="nump">0.5<span></span>
</td>
<td class="nump">0.6<span></span>
</td>
<td class="nump">0.8<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_EnergyMarketingContractLiabilities', window );">Total Energy Supply Obligations</a></td>
<td class="nump">5.1<span></span>
</td>
<td class="nump">14.0<span></span>
</td>
<td class="nump">8.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByLiabilityClassAxis=us-gaap_ObligationsMember', window );">Exchange Gas Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ContractualObligationLineItems', window );"><strong>Contractual Obligation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent', window );">Energy Supply Obligations-Current</a></td>
<td class="nump">0.2<span></span>
</td>
<td class="nump">7.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_RenewableEnergyPortfolioRequirementMember', window );">Renewable Energy Portfolio Standards</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ContractualObligationLineItems', window );"><strong>Contractual Obligation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent', window );">Energy Supply Obligations-Current</a></td>
<td class="nump">4.1<span></span>
</td>
<td class="nump">5.6<span></span>
</td>
<td class="nump">7.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_DivestitureMember', window );">Power Supply Contract Divestitures</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ContractualObligationLineItems', window );"><strong>Contractual Obligation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent', window );">Energy Supply Obligations-Current</a></td>
<td class="nump">$ 0.3<span></span>
</td>
<td class="nump">$ 0.3<span></span>
</td>
<td class="nump">$ 0.3<span></span>
</td>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyMarketingContractLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyMarketingContractLiabilitiesCurrent</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of liability arising from energy marketing activities (trading activities), expected to be settled after one year or beyond the normal operating cycle, if longer. Examples of energy marketing activities include, but are not limited to, trading of electricity, coal, natural gas and oil using financial instruments, including, but not limited to, forward contracts, options and swaps.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyMarketingContractLiabilitiesNoncurrent</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual Obligation [Line Items]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ContractualObligationLineItems</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_EnergyMarketingContractLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total amount of obligations resulting from entry into energy supply contracts.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_EnergyMarketingContractLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByLiabilityClassAxis=us-gaap_ObligationsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByLiabilityClassAxis=us-gaap_ObligationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_RenewableEnergyPortfolioRequirementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_RenewableEnergyPortfolioRequirementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_DivestitureMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_DivestitureMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>49
<FILENAME>R35.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6772846704">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Dividends Declared Per Share (Detail)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th">
<div>Mar. 31, 2019 </div>
<div>$ / shares</div>
</th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsAxis=utl_GroupOneMember', window );">Group One</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableLineItems', window );"><strong>Dividends Payable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear', window );">Declaration Date</a></td>
<td class="text">Apr. 24,  2019<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Date Paid (Payable)</a></td>
<td class="text">May 29,  2019<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Shareholder of Record Date</a></td>
<td class="text">May 15,  2019<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividend Amount</a></td>
<td class="nump">$ 0.370<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsAxis=utl_GroupTwoMember', window );">Group Two</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableLineItems', window );"><strong>Dividends Payable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear', window );">Declaration Date</a></td>
<td class="text">Jan. 30,  2019<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Date Paid (Payable)</a></td>
<td class="text">Feb. 28,  2019<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Shareholder of Record Date</a></td>
<td class="text">Feb. 14,  2019<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividend Amount</a></td>
<td class="nump">$ 0.370<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsAxis=utl_GroupThreeMember', window );">Group Three</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableLineItems', window );"><strong>Dividends Payable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear', window );">Declaration Date</a></td>
<td class="text">Oct. 24,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Date Paid (Payable)</a></td>
<td class="text">Nov. 29,  2018<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Shareholder of Record Date</a></td>
<td class="text">Nov. 15,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividend Amount</a></td>
<td class="nump">$ 0.365<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsAxis=utl_GroupFourMember', window );">Group Four</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableLineItems', window );"><strong>Dividends Payable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear', window );">Declaration Date</a></td>
<td class="text">Jul. 25,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Date Paid (Payable)</a></td>
<td class="text">Aug. 29,  2018<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Shareholder of Record Date</a></td>
<td class="text">Aug. 15,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividend Amount</a></td>
<td class="nump">$ 0.365<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsAxis=utl_GroupFiveMember', window );">Group Five</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableLineItems', window );"><strong>Dividends Payable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear', window );">Declaration Date</a></td>
<td class="text">Apr. 25,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Date Paid (Payable)</a></td>
<td class="text">May 29,  2018<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Shareholder of Record Date</a></td>
<td class="text">May 15,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividend Amount</a></td>
<td class="nump">$ 0.365<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsAxis=utl_GroupSixMember', window );">Group Six</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableLineItems', window );"><strong>Dividends Payable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear', window );">Declaration Date</a></td>
<td class="text">Jan. 30,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear', window );">Date Paid (Payable)</a></td>
<td class="text">Feb. 28,  2018<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear', window );">Shareholder of Record Date</a></td>
<td class="text">Feb. 14,  2018<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividend Amount</a></td>
<td class="nump">$ 0.365<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockDividendsPerShareDeclared">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends declared during the period for each share of common stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockDividendsPerShareDeclared</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendPayableDateToBePaidDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date the declared dividend will be paid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendPayableDateToBePaidDayMonthAndYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPayableDateDeclaredDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date the dividend to be paid was declared, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableDateDeclaredDayMonthAndYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableDateOfRecordDayMonthAndYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPayableLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=utl_GroupOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsAxis=utl_GroupOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=utl_GroupTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsAxis=utl_GroupTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=utl_GroupThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsAxis=utl_GroupThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=utl_GroupFourMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsAxis=utl_GroupFourMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=utl_GroupFiveMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsAxis=utl_GroupFiveMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=utl_GroupSixMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsAxis=utl_GroupSixMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>50
<FILENAME>R36.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6787587712">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Significant Segment Financial Data (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnregulatedOperatingRevenue', window );">Other Operating Revenue - Non-Regulated</a></td>
<td class="nump">$ 0.9<span></span>
</td>
<td class="nump">$ 1.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">152.1<span></span>
</td>
<td class="nump">145.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Segment Profit (Loss)</a></td>
<td class="nump">26.5<span></span>
</td>
<td class="nump">15.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Identifiable Segment Assets</a></td>
<td class="nump">1,290.2<span></span>
</td>
<td class="nump">1,244.3<span></span>
</td>
<td class="nump">$ 1,298.3<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Capital Expenditures</a></td>
<td class="nump">10.9<span></span>
</td>
<td class="nump">10.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_BilledAndUnbilledRevenueMember', window );">Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">161.9<span></span>
</td>
<td class="nump">153.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_RateAdjustmentMechanismRevenueMember', window );">Rate Adjustment Mechanism Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="num">(10.7)<span></span>
</td>
<td class="num">(8.5)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember', window );">Gas Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">86.4<span></span>
</td>
<td class="nump">87.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Segment Profit (Loss)</a></td>
<td class="nump">13.7<span></span>
</td>
<td class="nump">12.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Identifiable Segment Assets</a></td>
<td class="nump">771.6<span></span>
</td>
<td class="nump">712.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Capital Expenditures</a></td>
<td class="nump">3.3<span></span>
</td>
<td class="nump">3.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember', window );">Gas Segment | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">99.2<span></span>
</td>
<td class="nump">91.4<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember', window );">Gas Segment | Rate Adjustment Mechanism Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="num">(12.8)<span></span>
</td>
<td class="num">(4.4)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember', window );">Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">64.8<span></span>
</td>
<td class="nump">57.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Segment Profit (Loss)</a></td>
<td class="nump">1.9<span></span>
</td>
<td class="nump">3.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Identifiable Segment Assets</a></td>
<td class="nump">502.3<span></span>
</td>
<td class="nump">481.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Capital Expenditures</a></td>
<td class="nump">6.6<span></span>
</td>
<td class="nump">6.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember', window );">Electric | Billed and Unbilled Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">62.7<span></span>
</td>
<td class="nump">61.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember', window );">Electric | Rate Adjustment Mechanism Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">2.1<span></span>
</td>
<td class="num">(4.1)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember', window );">All Other Segments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Segment Profit (Loss)</a></td>
<td class="nump">0.8<span></span>
</td>
<td class="num">(0.4)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Identifiable Segment Assets</a></td>
<td class="nump">16.2<span></span>
</td>
<td class="nump">42.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Capital Expenditures</a></td>
<td class="nump">1.0<span></span>
</td>
<td class="nump">0.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Unregulated Operation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems', window );"><strong>Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnregulatedOperatingRevenue', window );">Other Operating Revenue - Non-Regulated</a></td>
<td class="nump">0.9<span></span>
</td>
<td class="nump">1.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedAndUnregulatedOperatingRevenue', window );">Total Operating Revenues</a></td>
<td class="nump">0.9<span></span>
</td>
<td class="nump">1.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Segment Profit (Loss)</a></td>
<td class="nump">10.1<span></span>
</td>
<td class="nump">0.4<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Identifiable Segment Assets</a></td>
<td class="nump">$ 0.1<span></span>
</td>
<td class="nump">$ 7.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=115929826&amp;loc=d3e8736-108599<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=109260490&amp;loc=d3e1377-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>credit</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of operating revenues recognized during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of unregulated operating revenues recognized during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_BilledAndUnbilledRevenueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_BilledAndUnbilledRevenueMember</td>
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<td></td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_RateAdjustmentMechanismRevenueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=utl_RateAdjustmentMechanismRevenueMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td></td>
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<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=utl_GasSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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</tr>
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<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=utl_ElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>51
<FILENAME>R37.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6789153280">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Details on Long Term Debt (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">$ 395.9<span></span>
</td>
<td class="nump">$ 409.3<span></span>
</td>
<td class="nump">$ 396.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnamortizedDebtIssuanceExpense', window );">Less: Unamortized Debt Issuance Costs</a></td>
<td class="nump">3.4<span></span>
</td>
<td class="nump">3.5<span></span>
</td>
<td class="nump">3.2<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-Term Debt</a></td>
<td class="nump">392.5<span></span>
</td>
<td class="nump">405.8<span></span>
</td>
<td class="nump">392.8<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Less: Current Portion</a></td>
<td class="nump">19.5<span></span>
</td>
<td class="nump">18.4<span></span>
</td>
<td class="nump">29.8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Total Long-Term Debt, Less Current Portion</a></td>
<td class="nump">373.0<span></span>
</td>
<td class="nump">387.4<span></span>
</td>
<td class="nump">363.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-Term Debt</a></td>
<td class="nump">392.5<span></span>
</td>
<td class="nump">405.8<span></span>
</td>
<td class="nump">392.8<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember', window );">6.33% Senior Notes, Due May 1, 2022</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">20.0<span></span>
</td>
<td class="nump">20.0<span></span>
</td>
<td class="nump">20.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorUnsecuredNotesThreePointSevenZeroPercentDueAugustOneTwentyTwentySixMember', window );">3.70% Senior Notes, Due August 1, 2026</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">30.0<span></span>
</td>
<td class="nump">30.0<span></span>
</td>
<td class="nump">30.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | First Mortgage Bonds 5.24% Senior Secured Notes, Due March 2, 2020</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">5.0<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | First Mortgage Bonds 8.49% Senior Secured Notes, Due October 14, 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">6.0<span></span>
</td>
<td class="nump">6.0<span></span>
</td>
<td class="nump">7.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | First Mortgage Bonds 6.96% Senior Secured Notes, Due September 1, 2028</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">20.0<span></span>
</td>
<td class="nump">20.0<span></span>
</td>
<td class="nump">20.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | First Mortgage Bonds 8.00% Senior Secured Notes, Due May 1, 2031</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | First Mortgage Bonds 6.32% Senior Secured Notes, Due September 15, 2036</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | First Mortgage Bonds 4.18% Senior Secured Notes Due November 30, 2048</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">30.0<span></span>
</td>
<td class="nump">30.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 6.75% Senior Notes, Due November 30, 2023</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">5.7<span></span>
</td>
<td class="nump">5.7<span></span>
</td>
<td class="nump">7.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 6.79% Senior Notes, Due October 15, 2025</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">10.0<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 3.52% Senior Notes, Due November 1, 2027</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">10.0<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 7.37% Notes, Due January 15, 2029</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">12.0<span></span>
</td>
<td class="nump">12.0<span></span>
</td>
<td class="nump">12.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 5.90% Notes, Due December 15, 2030</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 7.98% Notes, Due June 1, 2031</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">14.0<span></span>
</td>
<td class="nump">14.0<span></span>
</td>
<td class="nump">14.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | 4.32% Senior Notes, Due November 1, 2047</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
<td class="nump">15.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | 3.52% Senior Notes, Due November 1, 2027</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">20.0<span></span>
</td>
<td class="nump">20.0<span></span>
</td>
<td class="nump">20.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | 4.32% Senior Notes, Due November 1, 2047</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">30.0<span></span>
</td>
<td class="nump">30.0<span></span>
</td>
<td class="nump">30.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | 6.95% Senior Notes, Due December 3, 2018</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | 5.29% Senior Notes, Due March 2, 2020</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">8.2<span></span>
</td>
<td class="nump">16.6<span></span>
</td>
<td class="nump">16.6<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | 7.72% Senior Notes, Due December 3, 2038</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">50.0<span></span>
</td>
<td class="nump">50.0<span></span>
</td>
<td class="nump">50.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | 4.42% Senior Notes, Due October 15, 2044</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">50.0<span></span>
</td>
<td class="nump">50.0<span></span>
</td>
<td class="nump">50.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_GraniteStateGasTransmissionIncMember', window );">Granite State Gas Transmission Inc | 7.15% Senior Notes, Due December 15, 2018</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.3<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_GraniteStateGasTransmissionIncMember', window );">Granite State Gas Transmission Inc | 3.72% Senior Notes, Due November 1, 2027</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Total Long-Term Debt</a></td>
<td class="nump">$ 15.0<span></span>
</td>
<td class="nump">$ 15.0<span></span>
</td>
<td class="nump">$ 15.0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109500613&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=109500613&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebt</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<td><strong> Name:</strong></td>
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<td><strong> Name:</strong></td>
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<td><strong> Name:</strong></td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember</td>
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<td><strong> Name:</strong></td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6787824240">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Details on Long Term Debt (Parenthetical) (Detail)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember', window );">6.33% Senior Notes, Due May 1, 2022</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">6.33%<span></span>
</td>
<td class="nump">6.33%<span></span>
</td>
<td class="nump">6.33%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">May  01,  2022<span></span>
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<td class="text">May  01,  2022<span></span>
</td>
<td class="text">May  01,  2022<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorUnsecuredNotesThreePointSevenZeroPercentDueAugustOneTwentyTwentySixMember', window );">3.70% Senior Notes, Due August 1, 2026</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">3.70%<span></span>
</td>
<td class="nump">3.70%<span></span>
</td>
<td class="nump">3.70%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Aug.  01,  2026<span></span>
</td>
<td class="text">Aug.  01,  2026<span></span>
</td>
<td class="text">Aug.  01,  2026<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember', window );">First Mortgage Bonds 5.24% Senior Secured Notes, Due March 2, 2020 | Unitil Energy Systems Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">5.24%<span></span>
</td>
<td class="nump">5.24%<span></span>
</td>
<td class="nump">5.24%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Mar.  02,  2020<span></span>
</td>
<td class="text">Mar.  02,  2020<span></span>
</td>
<td class="text">Mar.  02,  2020<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember', window );">First Mortgage Bonds 8.49% Senior Secured Notes, Due October 14, 2024 | Unitil Energy Systems Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">8.49%<span></span>
</td>
<td class="nump">8.49%<span></span>
</td>
<td class="nump">8.49%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Oct. 14,  2024<span></span>
</td>
<td class="text">Oct. 14,  2024<span></span>
</td>
<td class="text">Oct. 14,  2024<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember', window );">First Mortgage Bonds 6.96% Senior Secured Notes, Due September 1, 2028 | Unitil Energy Systems Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">6.96%<span></span>
</td>
<td class="nump">6.96%<span></span>
</td>
<td class="nump">6.96%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Sep.  01,  2028<span></span>
</td>
<td class="text">Sep.  01,  2028<span></span>
</td>
<td class="text">Sep.  01,  2028<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsEightPointZeroZeroPercentSeniorSecuredNotesDueMayOneTwentyThirtyOneMember', window );">First Mortgage Bonds 8.00% Senior Secured Notes, Due May 1, 2031 | Unitil Energy Systems Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">8.00%<span></span>
</td>
<td class="nump">8.00%<span></span>
</td>
<td class="nump">8.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">May  01,  2031<span></span>
</td>
<td class="text">May  01,  2031<span></span>
</td>
<td class="text">May  01,  2031<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsSixPointThreeTwoPercentSeniorSecuredNotesDueSeptemberFifteenTwentyThirtySixMember', window );">First Mortgage Bonds 6.32% Senior Secured Notes, Due September 15, 2036 | Unitil Energy Systems Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">6.32%<span></span>
</td>
<td class="nump">6.32%<span></span>
</td>
<td class="nump">6.32%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Sep. 15,  2036<span></span>
</td>
<td class="text">Sep. 15,  2036<span></span>
</td>
<td class="text">Sep. 15,  2036<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFourPointEighteenPercentSeniorSecuredNotesDueNovemberThirtyTwentyFortyEightMember', window );">First Mortgage Bonds 4.18% Senior Secured Notes Due November 30, 2048 | Unitil Energy Systems Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">4.18%<span></span>
</td>
<td class="nump">4.18%<span></span>
</td>
<td class="nump">4.18%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov. 30,  2048<span></span>
</td>
<td class="text">Nov. 30,  2048<span></span>
</td>
<td class="text">Nov. 30,  2048<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember', window );">6.75% Senior Notes, Due November 30, 2023 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">6.75%<span></span>
</td>
<td class="nump">6.75%<span></span>
</td>
<td class="nump">6.75%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov. 30,  2023<span></span>
</td>
<td class="text">Nov. 30,  2023<span></span>
</td>
<td class="text">Nov. 30,  2023<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember', window );">6.79% Senior Notes, Due October 15, 2025 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">6.79%<span></span>
</td>
<td class="nump">6.79%<span></span>
</td>
<td class="nump">6.79%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Oct. 15,  2025<span></span>
</td>
<td class="text">Oct. 15,  2025<span></span>
</td>
<td class="text">Oct. 15,  2025<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember', window );">3.52% Senior Notes, Due November 1, 2027 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">3.52%<span></span>
</td>
<td class="nump">3.52%<span></span>
</td>
<td class="nump">3.52%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov.  01,  2027<span></span>
</td>
<td class="text">Nov.  01,  2027<span></span>
</td>
<td class="text">Nov.  01,  2027<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesThreePointFiveTwoPercentDueNovemberOneTwentyTwentySevenMember', window );">3.52% Senior Notes, Due November 1, 2027 | Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">3.52%<span></span>
</td>
<td class="nump">3.52%<span></span>
</td>
<td class="nump">3.52%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov.  01,  2027<span></span>
</td>
<td class="text">Nov.  01,  2027<span></span>
</td>
<td class="text">Nov.  01,  2027<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember', window );">7.37% Notes, Due January 15, 2029 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">7.37%<span></span>
</td>
<td class="nump">7.37%<span></span>
</td>
<td class="nump">7.37%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Jan. 15,  2029<span></span>
</td>
<td class="text">Jan. 15,  2029<span></span>
</td>
<td class="text">Jan. 15,  2029<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember', window );">5.90% Notes, Due December 15, 2030 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">5.90%<span></span>
</td>
<td class="nump">5.90%<span></span>
</td>
<td class="nump">5.90%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Dec. 15,  2030<span></span>
</td>
<td class="text">Dec. 15,  2030<span></span>
</td>
<td class="text">Dec. 15,  2030<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember', window );">7.98% Notes, Due June 1, 2031 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">7.98%<span></span>
</td>
<td class="nump">7.98%<span></span>
</td>
<td class="nump">7.98%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Jun.  01,  2031<span></span>
</td>
<td class="text">Jun.  01,  2031<span></span>
</td>
<td class="text">Jun.  01,  2031<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember', window );">4.32% Senior Notes, Due November 1, 2047 | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">4.32%<span></span>
</td>
<td class="nump">4.32%<span></span>
</td>
<td class="nump">4.32%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov.  01,  2047<span></span>
</td>
<td class="text">Nov.  01,  2047<span></span>
</td>
<td class="text">Nov.  01,  2047<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesFourPointThreeTwoPercentDueNovemberOneTwentyFortySevenMember', window );">4.32% Senior Notes, Due November 1, 2047 | Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">4.32%<span></span>
</td>
<td class="nump">4.32%<span></span>
</td>
<td class="nump">4.32%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov.  01,  2047<span></span>
</td>
<td class="text">Nov.  01,  2047<span></span>
</td>
<td class="text">Nov.  01,  2047<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember', window );">6.95% Senior Notes, Due December 3, 2018 | Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">6.95%<span></span>
</td>
<td class="nump">6.95%<span></span>
</td>
<td class="nump">6.95%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Dec.  03,  2018<span></span>
</td>
<td class="text">Dec.  03,  2018<span></span>
</td>
<td class="text">Dec.  03,  2018<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember', window );">5.29% Senior Notes, Due March 2, 2020 | Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">5.29%<span></span>
</td>
<td class="nump">5.29%<span></span>
</td>
<td class="nump">5.29%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Mar.  02,  2020<span></span>
</td>
<td class="text">Mar.  02,  2020<span></span>
</td>
<td class="text">Mar.  02,  2020<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember', window );">7.72% Senior Notes, Due December 3, 2038 | Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">7.72%<span></span>
</td>
<td class="nump">7.72%<span></span>
</td>
<td class="nump">7.72%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Dec.  03,  2038<span></span>
</td>
<td class="text">Dec.  03,  2038<span></span>
</td>
<td class="text">Dec.  03,  2038<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesFourPointFourTwoPercentDueOctoberFifteenTwentyFortyFourMember', window );">4.42% Senior Notes, Due October 15, 2044 | Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">4.42%<span></span>
</td>
<td class="nump">4.42%<span></span>
</td>
<td class="nump">4.42%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Oct. 15,  2044<span></span>
</td>
<td class="text">Oct. 15,  2044<span></span>
</td>
<td class="text">Oct. 15,  2044<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember', window );">7.15% Senior Notes, Due December 15, 2018 | Granite State Gas Transmission Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">7.15%<span></span>
</td>
<td class="nump">7.15%<span></span>
</td>
<td class="nump">7.15%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Dec. 15,  2018<span></span>
</td>
<td class="text">Dec. 15,  2018<span></span>
</td>
<td class="text">Dec. 15,  2018<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesThreePointSevenTwoPercentDueNovemberOneTwentyTwentySevenMember', window );">3.72% Senior Notes, Due November 1, 2027 | Granite State Gas Transmission Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate</a></td>
<td class="nump">3.72%<span></span>
</td>
<td class="nump">3.72%<span></span>
</td>
<td class="nump">3.72%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument due date</a></td>
<td class="text">Nov.  01,  2027<span></span>
</td>
<td class="text">Nov.  01,  2027<span></span>
</td>
<td class="text">Nov.  01,  2027<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=99377789&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_SeniorUnsecuredNotesThreePointSevenZeroPercentDueAugustOneTwentyTwentySixMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_SeniorUnsecuredNotesThreePointSevenZeroPercentDueAugustOneTwentyTwentySixMember</td>
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<td><strong> Data Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFivePointTwoFourPercentSeniorSecuredNotesDueMarchTwoTwentyTwentyMember</td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember</td>
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<td><strong> Data Type:</strong></td>
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<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsEightPointFourNinePercentSeniorSecuredNotesDueOctoberFourteenTwentyTwentyFourMember</td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsSixPointNineSixPercentSeniorSecuredNotesDueSeptemberOneTwentyTwentyEightMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6944017072">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Estimated Fair Value of Long Term Debt (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtFairValue', window );">Estimated Fair Value of Long-Term Debt</a></td>
<td class="nump">$ 418.0<span></span>
</td>
<td class="nump">$ 422.0<span></span>
</td>
<td class="nump">$ 428.0<span></span>
</td>
</tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td>xbrli:stringItemType</td>
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<td>na</td>
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<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtFairValue</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6788083712">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Debt and Financing Arrangements - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jul. 25, 2018</div></th>
<th class="th"><div>Nov. 30, 2018</div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Oct. 30, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtWeightedAverageInterestRate', window );">Weighted average interest rate on short term borrowings</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.70%<span></span>
</td>
<td class="nump">2.90%<span></span>
</td>
<td class="nump">3.30%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NetGainOnDivestitureOfBusiness', window );">Gain on divestiture of business, net</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNoncurrentNet', window );">Issuance of long-term debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligations', window );">Capital lease obligation, total capitalized cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,967,000<span></span>
</td>
<td class="nump">$ 8,000,000<span></span>
</td>
<td class="nump">$ 5,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsCurrent', window );">Capital lease obligation, current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,000,000<span></span>
</td>
<td class="nump">3,100,000<span></span>
</td>
<td class="nump">3,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsNoncurrent', window );">Capital lease obligation, noncurrent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,900,000<span></span>
</td>
<td class="nump">4,900,000<span></span>
</td>
<td class="nump">2,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts Payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">33,000,000<span></span>
</td>
<td class="nump">30,100,000<span></span>
</td>
<td class="nump">42,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding', window );">Guarantee outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LeaseAndRentalExpense', window );">Total rental expense under operating leases</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="nump">500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasePayments', window );">Operating lease obligations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Net Utility Plant</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,037,800,000<span></span>
</td>
<td class="nump">972,400,000<span></span>
</td>
<td class="nump">1,036,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Current operating lease obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Non-current operating lease obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1', window );">Operating lease, weighted average remaining lease term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years 10 months 24 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent', window );">Operating lease, weighted average discount rate percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.30%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LeaseArrangementTypeAxis=utl_FinancingArrangementsMember', window );">Financing Arrangements</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsCurrent', window );">Capital lease obligation, current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsNoncurrent', window );">Capital lease obligation, noncurrent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AssetsHeldUnderCapitalLeasesMember', window );">Assets under Capital Leases</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet', window );">Net Utility Plant</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,900,000<span></span>
</td>
<td class="nump">15,000,000<span></span>
</td>
<td class="nump">15,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Net Utility Plant, accumulated amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,800,000<span></span>
</td>
<td class="nump">1,100,000<span></span>
</td>
<td class="nump">1,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilServiceCorpMember', window );">Unitil Service Corp.</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligations', window );">Capital lease obligation, total capitalized cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 13,400,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_CapitalLeasesTerminationDate', window );">Capital lease obligation, maturity period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Sep. 30,  2020<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsCurrent', window );">Capital lease obligation, current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsNoncurrent', window );">Capital lease obligation, noncurrent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage', window );">Natural gas storage inventory</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,200,000<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="nump">8,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts Payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,100,000<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="nump">900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Revolving credit facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">120,000,000<span></span>
</td>
<td class="nump">$ 120,000,000<span></span>
</td>
<td class="nump">$ 120,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromLinesOfCredit', window );">Proceeds from lines of credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">75,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLinesOfCredit', window );">Repayments of lines of credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 92,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_CreditFacilityMember', window );">Credit Facility | Amended Credit Facility [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Revolving credit facility</a></td>
<td class="nump">$ 120,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SublimitForIssuanceOfStandbyLettersOfCredit', window );">Sublimit for the issuance of standby letters of credit</a></td>
<td class="nump">$ 25,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityExpirationDate1', window );">Revolving credit facility termination date</a></td>
<td class="text">Jul. 25,  2023<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet', window );">Increase in borrowing limit</a></td>
<td class="nump">$ 50,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_CreditFacilityMember', window );">Credit Facility | Amended Credit Facility [Member] | London Interbank Offered Rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1', window );">Credit facility, daily fluctuating rate of interest</a></td>
<td class="nump">1.125%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_CreditFacilityMember', window );">Credit Facility | Revolving Credit Facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCovenantDescription', window );">Percentage of capitalization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The affirmative and negative covenants under the Credit Facility shall apply until the Credit Facility terminates and all amounts borrowed under the Credit Facility are paid in full (or with respect to letters of credit, they are cash collateralized). The only financial covenant in the Credit Facility provides that Funded Debt to Capitalization (as each term is defined in the Credit Facility) cannot exceed 65%, tested on a quarterly basis. At March 31, 2018, March 31, 2017 and December 31, 2017, the Company was in compliance with the covenants contained in the Credit Facility in effect on that date.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember', window );">4.18% First Mortgage Bonds, Due November 30, 2048 | Unitil Energy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Long-term debt, aggregate principal amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 30,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Long-term debt, stated interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.18%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Long-term debt, maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Nov. 30,  2048<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligationsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of capital lease obligation due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84164758&amp;loc=d3e45023-112735<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligationsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligationsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84164758&amp;loc=d3e45023-112735<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligationsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage points added to the reference rate to compute the variable rate on the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentBasisSpreadOnVariableRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCovenantDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=75038535&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCovenantDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=114775744&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=99377789&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNoncurrentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=114775744&amp;loc=d3e28555-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNoncurrentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyRelatedInventoryNaturalGasInStorage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LeaseAndRentalExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LeaseAndRentalExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityExpirationDate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date the credit facility terminates, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityExpirationDate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) of the credit facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasePayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918643-209977<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasePayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average discount rate for operating lease calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918686-209980<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=77888399&amp;loc=SL77918982-209971<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 55<br> -Paragraph 53<br> -URI http://asc.fasb.org/extlink&amp;oid=77888399&amp;loc=SL77918982-209971<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (g)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918686-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3255-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of total net PPE.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3291-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtWeightedAverageInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average interest rate of short-term debt outstanding calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtWeightedAverageInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_CapitalLeasesTerminationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Capital Leases Termination Date</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_CapitalLeasesTerminationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Corporate guarantees on energy and natural gas storage management contracts entered into by the Company's distribution utilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_NetGainOnDivestitureOfBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net gain on divestiture of business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_NetGainOnDivestitureOfBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_SublimitForIssuanceOfStandbyLettersOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sublimit for issuance of standby letters of credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_SublimitForIssuanceOfStandbyLettersOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LeaseArrangementTypeAxis=utl_FinancingArrangementsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LeaseArrangementTypeAxis=utl_FinancingArrangementsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AssetsHeldUnderCapitalLeasesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AssetsHeldUnderCapitalLeasesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_UnitilServiceCorpMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_UnitilServiceCorpMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_CreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_CreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=utl_AmendedCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=utl_AmendedCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=utl_FirstMortgageBondsFourPointOneEightPercentDueNovemberThirtyTwentyFortyEightMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_UnitilEnergyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_UnitilEnergyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>55
<FILENAME>R41.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6942256080">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Borrowing Limits Amounts Outstanding and Amounts Available under Revolving Credit Facility (Detail) - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Short-Term Borrowings Outstanding</a></td>
<td class="nump">$ 65,800,000<span></span>
</td>
<td class="nump">$ 82,800,000<span></span>
</td>
<td class="nump">$ 45,300,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Revolving credit facility, limit</a></td>
<td class="nump">120,000,000<span></span>
</td>
<td class="nump">120,000,000<span></span>
</td>
<td class="nump">120,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Short-Term Borrowings Outstanding</a></td>
<td class="nump">65,800,000<span></span>
</td>
<td class="nump">82,800,000<span></span>
</td>
<td class="nump">45,300,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity', window );">Available revolving credit facility</a></td>
<td class="nump">$ 54,200,000<span></span>
</td>
<td class="nump">$ 37,200,000<span></span>
</td>
<td class="nump">$ 74,700,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermBorrowings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermBorrowings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6774454832">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Debt and Financing Arrangements - Classification of the Company Lease Obligations (Detail) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract', window );"><strong>Operating Lease Obligations:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Other Current Liabilities (current portion)</a></td>
<td class="nump">$ 1,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Other Noncurrent Liabilities (long-term portion)</a></td>
<td class="nump">2,800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Total Operating Lease Obligations</a></td>
<td class="nump">3,855<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsAbstract', window );"><strong>Capital Lease Obligations:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsCurrent', window );">Other Current Liabilities (current portion)</a></td>
<td class="nump">3,000<span></span>
</td>
<td class="nump">$ 3,100<span></span>
</td>
<td class="nump">$ 3,100<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligationsNoncurrent', window );">Other Noncurrent Liabilities (long-term portion)</a></td>
<td class="nump">1,900<span></span>
</td>
<td class="nump">2,700<span></span>
</td>
<td class="nump">4,900<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligations', window );">Total Capital Lease Obligations</a></td>
<td class="nump">4,967<span></span>
</td>
<td class="nump">5,800<span></span>
</td>
<td class="nump">8,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_LeaseObligation', window );">Total Lease Obligations</a></td>
<td class="nump">$ 8,800<span></span>
</td>
<td class="nump">$ 5,800<span></span>
</td>
<td class="nump">$ 8,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligationsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligationsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligationsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of capital lease obligation due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84164758&amp;loc=d3e45023-112735<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligationsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligationsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84164758&amp;loc=d3e45023-112735<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligationsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_LeaseObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Lease obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_LeaseObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6790211856">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Future Operating Lease Payment Obligations and Future Minimum Lease Payments under Capital Leases (Detail) - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract', window );"><strong>Operating leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear', window );">Rest of 2019</a></td>
<td class="nump">$ 967,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent', window );">2019</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,372,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears', window );">2020</a></td>
<td class="nump">1,141,000<span></span>
</td>
<td class="nump">1,138,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears', window );">2021</a></td>
<td class="nump">972,000<span></span>
</td>
<td class="nump">969,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears', window );">2022</a></td>
<td class="nump">691,000<span></span>
</td>
<td class="nump">689,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears', window );">2023</a></td>
<td class="nump">391,000<span></span>
</td>
<td class="nump">390,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter', window );">2024-2028</a></td>
<td class="nump">119,000<span></span>
</td>
<td class="nump">120,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDue', window );">Total Payments</a></td>
<td class="nump">4,281,000<span></span>
</td>
<td class="nump">4,678,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ImputedInterestOnOperatingLeases', window );">Less: Interest</a></td>
<td class="nump">426,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Amount of Lease Obligations Recorded on Consolidated Balance Sheets</a></td>
<td class="nump">3,855,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract', window );"><strong>Capital lease</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear', window );">Rest of 2019</a></td>
<td class="nump">2,369,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent', window );">2019</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,069<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears', window );">2020</a></td>
<td class="nump">2,576,000<span></span>
</td>
<td class="nump">2,535<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears', window );">2021</a></td>
<td class="nump">96,000<span></span>
</td>
<td class="nump">93<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears', window );">2022</a></td>
<td class="nump">33,000<span></span>
</td>
<td class="nump">32<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears', window );">2023</a></td>
<td class="nump">15,000<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter', window );">2024-2028</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDue', window );">Total Payments</a></td>
<td class="nump">5,089,000<span></span>
</td>
<td class="nump">5,743<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments', window );">Less: Interest</a></td>
<td class="nump">122,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalLeaseObligations', window );">Amount of Lease Obligations Recorded on Consolidated Balance Sheets</a></td>
<td class="nump">$ 4,967,000<span></span>
</td>
<td class="nump">$ 5,800,000<span></span>
</td>
<td class="nump">$ 8,000,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeaseObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeaseObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount necessary to reduce net minimum lease payments to present value for capital leases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84164817&amp;loc=d3e45280-112737<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of minimum lease payments for capital leases due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77888419&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ImputedInterestOnOperatingLeases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Imputed Interest On Operating Leases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ImputedInterestOnOperatingLeases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6775483312">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Common Stock And Preferred Stock - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jan. 29, 2019</div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common stock, shares outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,916,044<span></span>
</td>
<td class="nump">14,860,123<span></span>
</td>
<td class="nump">14,876,955<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock, shares issued</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,939<span></span>
</td>
<td class="nump">7,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from Issuance of Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestrictedStockExpense', window );">Share based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,700,000<span></span>
</td>
<td class="nump">1,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled', window );">Percentage of fully-vested restricted stock units that directors will receive in common shares when settled</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">70.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled', window );">Percentage of fully-vested restricted stock units that directors will receive in cash when settled</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_FairValueOfRestrictedStockUnitsSettledInCash', window );">Fair value of liabilities associated with fully vested RSUs that will be settled in cash</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,400,000<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="nump">$ 1,300,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">200,000<span></span>
</td>
<td class="nump">200,000<span></span>
</td>
<td class="nump">$ 200,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPreferredStock', window );">Dividend declared</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
<td class="nump">$ 100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsidiarySaleOfStockAxis=utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember', window );">Dividend and Distribution Reinvestment and Share Purchase Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from Issuance of Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 314,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsidiarySaleOfStockAxis=utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember', window );">Dividend and Distribution Reinvestment and Share Purchase Plan | Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharesIssuedPricePerShare', window );">Common stock price per share</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 52.98<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsidiarySaleOfStockAxis=utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember', window );">Dividend and Distribution Reinvestment and Share Purchase Plan | Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock, shares issued</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,939<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | Series 6</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred stock, outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,893<span></span>
</td>
<td class="nump">1,893<span></span>
</td>
<td class="nump">1,893<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 200,000<span></span>
</td>
<td class="nump">$ 200,000<span></span>
</td>
<td class="nump">$ 200,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockDividendRatePercentage', window );">Dividend rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6.00%<span></span>
</td>
<td class="nump">6.00%<span></span>
</td>
<td class="nump">6.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember', window );">Restricted Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Restricted stock vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">4 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber', window );">Restricted stock non-vested</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,496<span></span>
</td>
<td class="nump">90,882<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedInPeriodWeightedAverageGrantDateFairValue', window );">Restricted stock weighted average grant date fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 46.23<span></span>
</td>
<td class="nump">$ 41.93<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions', window );">Unrecognized share based compensation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Share compensation recognition period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Restricted Stock Units Granted</a></td>
<td class="nump">33,150<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateIntrinsicValue', window );">Aggregate Market Value</a></td>
<td class="nump">$ 1,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod', window );">Forfeitures under the stock plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod', window );">Cancellations under the stock plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember', window );">Restricted Stock | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Restricted stock available for awards</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">677,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Restricted stock that may be awarded in any one calendar year to any one participant</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember', window );">Restricted Stock | Vesting Annually</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage', window );">Restricted stock vesting percentage annually</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember', window );">Restricted Stock Units (RSUs)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Restricted Stock Units Granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber', window );">Restricted stock units outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">52,677<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice', window );">Weighted-Average Stock Price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 36.27<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfStockLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfStockLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPreferredStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 405<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6957935&amp;loc=d3e64057-112817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPreferredStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecognized cost of unvested options awarded to employees as compensation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockDividendRatePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage rate used to calculate dividend payments on preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockDividendRatePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RestrictedStockExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedStockExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of equity instruments other than options outstanding, including both vested and non-vested instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of vesting of share-based compensation awards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharesIssuedPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share or per unit amount of equity securities issued.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharesIssuedPricePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_FairValueOfRestrictedStockUnitsSettledInCash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair Value of Restricted Stock Units to be settled in cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_FairValueOfRestrictedStockUnitsSettledInCash</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of fully-vested restricted stock units that Directors will receive in cash when settled.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCashWhenSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of fully-vested restricted stock units that Directors will receive in common shares when settled.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PercentageOfFullyVestedRestrictedStockUnitsThatDirectorsWillReceiveInCommonSharesWhenSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateIntrinsicValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Grants in Period, Aggregate Intrinsic Value</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateIntrinsicValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Nonvested in Period, Weighted Average Grant Date Fair Value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Shares, Outstanding, Number.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement by Share Based Payment Award, Options, Cancelled in Period</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangement by Share-based Payment Awards Equity Instrument Other than Options Outstanding Weighted Average Exercise Price</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_SharebasedCompensationArrangementBySharebasedPaymentAwardsEquityInstrumentOtherThanOptionsOutstandingWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsidiarySaleOfStockAxis=utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsidiarySaleOfStockAxis=utl_DividendAndDistributionReinvestmentAndSharePurchasePlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_WeightedAverageMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_WeightedAverageMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember</td>
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<td style="white-space:nowrap;">us-gaap_VestingAxis=utl_VestingAnnualMember</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>59
<FILENAME>R45.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6774679376">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Restricted Stock Units Issued (Detail) - Restricted Stock Units (RSUs)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th">
<div>Mar. 31, 2019 </div>
<div>$ / shares </div>
<div>shares</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward', window );"><strong>Restricted Stock Units</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber', window );">Beginning Restricted Stock Units | shares</a></td>
<td class="nump">61,789<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Restricted Stock Units Granted | shares</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentRightsInPeriod', window );">Dividend Equivalents Earned | shares</a></td>
<td class="nump">417<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled', window );">Restricted Stock Units Settled | shares</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber', window );">Ending Restricted Stock Units | shares</a></td>
<td class="nump">62,206<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward', window );"><strong>Weighted-Average Stock Price</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue', window );">Beginning Restricted Stock Units | $ / shares</a></td>
<td class="nump">$ 38.25<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Restricted Stock Units Granted | $ / shares</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedDividendEquivalentRightsInPeriodWeightedAverageGrantDateFairValue', window );">Dividend Equivalents Earned | $ / shares</a></td>
<td class="nump">54.91<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettledInPeriodWeightedAverageGrantDateFairValue', window );">Restricted Stock Units Settled | $ / shares</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue', window );">Ending Restricted Stock Units | $ / shares</a></td>
<td class="nump">$ 38.36<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested Grants in Period, Weighted Average Grant Date Fair Value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedGrantsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Fully Vested Settled.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettledInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested Settled in Period, Weighted Average Grant Date Fair Value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedSettledInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Fully Vested, Weighted Average Grant Date Fair Value</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentRightsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Payment Award Equity Instruments Other Than Options Dividend Equivalent Rights In Period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDividendEquivalentRightsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedDividendEquivalentRightsInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Payment Award Equity Instruments Other Than Options Fully Vested Dividend Equivalent Rights In Period Weighted Average Grant Date Fair Value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedDividendEquivalentRightsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Fully Vested, Number</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsFullyVestedNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<head>
<title></title>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6793244096">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">1 Months Ended</th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>May 01, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 28, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 31, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 07, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 02, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>May 01, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Apr. 30, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Feb. 28, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jan. 01, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Aug. 01, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 30, 2017 </div>
<div>MW</div>
</th>
<th class="th">
<div>Apr. 20, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 31, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th">
<div>Jun. 30, 2027 </div>
<div>MW</div>
</th>
<th class="th">
<div>Dec. 31, 2022 </div>
<div>MWh</div>
</th>
<th class="th">
<div>Apr. 03, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jul. 31, 2018 </div>
<div>MWh </div>
<div>MW</div>
</th>
<th class="th">
<div>Jul. 23, 2018 </div>
<div>MW</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RevenueAdjustment', window );">Annual revenue adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member', window );">Tax Year 2018</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate', window );">Corporate income tax rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember', window );">Scenario Forecast</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RevenueAdjustment', window );">Annual revenue adjustment</a></td>
<td class="nump">$ 1,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | New Hampshire</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PermanentAdjustmentForRateIncrease', window );">Permanent rate increase</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 340,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentFederalTaxExpenseBenefit', window );">Reduction of federal tax decrease</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates', window );">Reconciliation adjustment of recouped difference between temporary rates and final rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember', window );">Unitil Energy Systems Inc | New Hampshire | Second rate Step Adjustments [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RevenueAdjustment', window );">Annual revenue adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate', window );">Amendment effective date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Nov.  01,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | Subsequent Event</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent', window );">Recovery amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | Offshore Wind Energy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_FacilityPowerCapacity', window );">Power generation facility | MW</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400<span></span>
</td>
<td class="nump">400<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RemunerationPercentage', window );">Remuneration percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.75%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | Qualified Clean Energy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PowerGenerationCapacity', window );">Power generation capacity | MWh</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,554,940<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | Minimum | Offshore Wind Energy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_FacilityPowerCapacity', window );">Power generation facility | MW</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_ContractsProRataSharePercentage', window );">Pro rata percentage share of contracts</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | Scenario Forecast</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_PowerGenerationCapacity', window );">Power generation capacity | MWh</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,450,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company | Scenario Forecast | Offshore Wind Energy</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_FacilityPowerCapacity', window );">Power generation facility | MW</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,200,000<span></span>
</td>
<td class="nump">$ 2,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncreaseInAnnualBaseRate', window );">Increase in annual base rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.10%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.40%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_InfrastructureReplacementAdjustment', window );">Annual TIRA Adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegistrationPaymentArrangementTerm', window );">TIRA initial term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Four years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | Revenue Offset [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (1,700,000)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | Maine</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage', window );">Percentage of approved return on equity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage', window );">Percentage of approved return on equity, reflecting on equity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage', window );">Percentage of approved return on equity, reflecting on debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RegistrationPaymentArrangementExtensionTerm', window );">TIRA extended term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">8 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc | Maine | Revenue Offset [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue', window );">Increase (decrease) in annual revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of the portion of the reserved funds established by a utility from customer payments to cover the repair costs of damages from major storms, which repairs are expected to be incurred beyond one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=77907324&amp;loc=d3e43603-110378<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentFederalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentFederalTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of domestic federal statutory tax rate applicable to pretax income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in unrecovered fuel costs for a regulated utility company.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved debt to capital, including debt and equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved equity to capital, including debt and equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved return on equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegistrationPaymentArrangementTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Describes the term of the registration payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=99383193&amp;loc=d3e16207-108621<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegistrationPaymentArrangementTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ContractsProRataSharePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contracts pro rata share percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ContractsProRataSharePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_FacilityPowerCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Facility Power Capacity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_FacilityPowerCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_IncreaseInAnnualBaseRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase in annual base rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_IncreaseInAnnualBaseRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_InfrastructureReplacementAdjustment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Infrastructure replacement adjustment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_InfrastructureReplacementAdjustment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PermanentAdjustmentForRateIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Permanent adjustment for rate increase.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PermanentAdjustmentForRateIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PowerGenerationCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Power Generation Capacity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PowerGenerationCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public utilities approved rate increase decrease effective date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_PublicUtilitiesApprovedRateIncreaseDecreaseEffectiveDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reconciliation adjustment of recouped the difference between temporary rates and final rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_ReconciliationAdjustmentOfRecoupedDifferenceBetweenTemporaryRatesAndFinalRates</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_RegistrationPaymentArrangementExtensionTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Describes the extended term of the registration payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_RegistrationPaymentArrangementExtensionTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_RemunerationPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Remuneration percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_RemunerationPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_RevenueAdjustment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Revenue adjustment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_RevenueAdjustment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_UnitilEnergySystemsIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=stpr_NH">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=stpr_NH</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableRateAxis=utl_SecondRateStepAdjustmentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=utl_SecondRateStepAdjustmentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyAxis=utl_OffshoreEnergyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyAxis=utl_OffshoreEnergyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyAxis=utl_QualifiedCleanEnergyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyAxis=utl_QualifiedCleanEnergyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=utl_RevenueOffsetMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=utl_RevenueOffsetMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=stpr_ME">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=stpr_ME</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>61
<FILENAME>R47.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6773759072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Environmental Matters - Additional Information (Detail) - Environmental Restoration Costs<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2019</div></th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=stpr_ME', window );">Maine</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RemainingAmortizationPeriod', window );">Amortization period for environmental costs</a></td>
<td class="text">5 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=stpr_NH', window );">New Hampshire</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RemainingAmortizationPeriod', window );">Amortization period for environmental costs</a></td>
<td class="text">7 years<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SiteContingencyLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SiteContingencyLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_RemainingAmortizationPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Remaining Amortization Period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_RemainingAmortizationPeriod</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=stpr_ME">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=stpr_ME</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_EnvironmentalRestorationCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_EnvironmentalRestorationCostsMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=stpr_NH">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=stpr_NH</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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</div>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>62
<FILENAME>R48.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6775071552">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Company's Liability for Environmental Obligations (Detail) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalExitCostLineItems', window );"><strong>Environmental Exit Cost [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at Beginning of Period</a></td>
<td class="nump">$ 2.0<span></span>
</td>
<td class="nump">$ 2.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses', window );">Additions</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1', window );">Less: Payments / Reductions</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at End of Period</a></td>
<td class="nump">2.0<span></span>
</td>
<td class="nump">2.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Less: Current Portion</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.6<span></span>
</td>
<td class="nump">$ 0.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent', window );">Noncurrent Balance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.4<span></span>
</td>
<td class="nump">1.5<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at End of period</a></td>
<td class="nump">2.0<span></span>
</td>
<td class="nump">2.1<span></span>
</td>
<td class="nump">2.0<span></span>
</td>
<td class="nump">2.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalExitCostLineItems', window );"><strong>Environmental Exit Cost [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at Beginning of Period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses', window );">Additions</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1', window );">Less: Payments / Reductions</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at End of Period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedEnvironmentalLossContingenciesCurrent', window );">Less: Current Portion</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at End of period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember', window );">Northern Utilities Inc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalExitCostLineItems', window );"><strong>Environmental Exit Cost [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at Beginning of Period</a></td>
<td class="nump">2.0<span></span>
</td>
<td class="nump">2.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses', window );">Additions</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1', window );">Less: Payments / Reductions</a></td>
<td class="nump">0.1<span></span>
</td>
<td class="nump">0.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at End of Period</a></td>
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<td class="nump">2.0<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">0.6<span></span>
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<td class="nump">0.5<span></span>
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<tr class="ro">
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">1.4<span></span>
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<td class="nump">1.5<span></span>
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<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Total Balance at End of period</a></td>
<td class="nump">$ 2.0<span></span>
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<td class="nump">$ 2.0<span></span>
</td>
<td class="nump">$ 2.0<span></span>
</td>
<td class="nump">$ 2.0<span></span>
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<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs accrued as of the balance sheet date for environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 25<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6395460&amp;loc=d3e13647-108346<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingencies</td>
</tr>
<tr>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
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<td>instant</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q2)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingenciesPayments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to settle environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q1)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3367-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingenciesPayments1</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedEnvironmentalLossContingenciesCurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (d)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalExitCostLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_NorthernUtilitiesIncMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6775592928">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Sep. 30, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liability</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 62,400,000<span></span>
</td>
<td class="nump">$ 58,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 60,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RegulatoryLiabilityRecoveryRefund', window );">Regulatory liability, expected flow back to customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 47,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 48,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DeferredIncomeTaxProvision', window );">Tax provision</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards', window );">Net Operating Loss Carryforwards</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate', window );">Calculated federal current tax</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic', window );">Deferred tax assets, operating loss carryforwards, federal</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Federal current taxes payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_NetOperatingLossCarryforwardsExpirationYear', window );">NOL carryforward assets expiration date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">2029<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax', window );">Alternative minimum tax credit carryforwards</a></td>
<td class="nump">$ 3,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardAxis=utl_ReconcilingItemsMember', window );">Reconciling Mechanisms</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_TaxCutsAndJobsActOf2017ChangeInTaxRateRegulatoryLiabilityRecoveryRefund', window );">Regulatory liability, expected pass back to ratepayers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardAxis=utl_NetOperatingLossCarryforwardAssetsMember', window );">Net Operating Loss Carryforward Assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_TaxCutsAndJobsActOf2017ChangeInTaxRateRegulatoryLiabilityRecoveryRefund', window );">Regulatory liability, expected pass back to ratepayers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,400,000<span></span>
</td>
<td class="nump">5,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_EstimatedFlowBackPeriod', window );">Average Rate Assumption Method estimated flow back period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">15 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_EstimatedFlowBackPeriod', window );">Average Rate Assumption Method estimated flow back period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember', window );">Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_EstimatedFlowBackPeriod', window );">Average Rate Assumption Method estimated flow back period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">15 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_IncomeTaxRelatedLiabilitiesMember', window );">Income Tax Related Liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory Liability</a></td>
<td class="nump">$ 48,900,000<span></span>
</td>
<td class="nump">$ 48,200,000<span></span>
</td>
<td class="nump">$ 47,000,000<span></span>
</td>
<td class="nump">$ 48,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 49,100,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_ElectricRatePayersMember', window );">Electric Ratepayers | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RegulatoryLiabilityRecoveryRefund', window );">Regulatory liability, expected flow back to customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=utl_GasRatePayersMember', window );">Gas Ratepayers | Fitchburg Gas and Electric Light Company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_RegulatoryLiabilityRecoveryRefund', window );">Regulatory liability, expected flow back to customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 10,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member', window );">Tax Year 2018</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate', window );">Corporate federal income tax</a></td>
<td class="nump">21.00%<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=utl_DomesticCountryAndStateAndLocalJurisdictionMember', window );">Federal, Maine, Massachusetts, and New Hampshire Tax Authorities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExaminationDescription', window );">Tax examination description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The Company remains  subject to examination by Federal, Maine, Massachusetts, and New Hampshire tax  authorities for the tax periods ended December 31, 2015; December 31, 2016; and  December 31, 2017.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32559-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of domestic federal statutory tax rate applicable to pretax income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExaminationDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32718-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExaminationDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxesPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxesPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_DeferredIncomeTaxProvision">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred income tax provision.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_DeferredIncomeTaxProvision</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_EstimatedFlowBackPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Estimated flow back period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_EstimatedFlowBackPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_IncomeTaxesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Income Taxes [Line Items]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_IncomeTaxesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_NetOperatingLossCarryforwardsExpirationYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net Operating Loss Carryforwards, Expiration Year</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_NetOperatingLossCarryforwardsExpirationYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_RegulatoryLiabilityRecoveryRefund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Regulatory liability recovery refund.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_RegulatoryLiabilityRecoveryRefund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_TaxCutsAndJobsActOf2017ChangeInTaxRateRegulatoryLiabilityRecoveryRefund">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tax Cuts and Jobs Act of 2017 change in tax rate regulatory liability recovery refund.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_TaxCutsAndJobsActOf2017ChangeInTaxRateRegulatoryLiabilityRecoveryRefund</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxCreditCarryforwardAxis=utl_ReconcilingItemsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxCreditCarryforwardAxis=utl_ReconcilingItemsMember</td>
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<tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxCreditCarryforwardAxis=utl_NetOperatingLossCarryforwardAssetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxCreditCarryforwardAxis=utl_NetOperatingLossCarryforwardAssetsMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=utl_FitchburgGasAndElectricLightCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_IncomeTaxRelatedLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_IncomeTaxRelatedLiabilitiesMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_ElectricRatePayersMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_ElectricRatePayersMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=utl_GasRatePayersMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=utl_GasRatePayersMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxPeriodAxis=us-gaap_TaxYear2018Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=utl_DomesticCountryAndStateAndLocalJurisdictionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=utl_DomesticCountryAndStateAndLocalJurisdictionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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</html>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>64
<FILENAME>R50.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6922634800">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Key Weighted Average Assumptions Used in Determining Benefit Plan Costs and Obligations (Detail) - Benefit Plan Costs<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount Rate</a></td>
<td class="nump">4.25%<span></span>
</td>
<td class="nump">3.60%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease', window );">Rate of Compensation Increase</a></td>
<td class="nump">3.00%<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets', window );">Expected Long-term rate of return on plan assets</a></td>
<td class="nump">7.75%<span></span>
</td>
<td class="nump">7.75%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear', window );">Health Care Cost Trend Rate Assumed for Next Year</a></td>
<td class="nump">7.00%<span></span>
</td>
<td class="nump">7.50%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1', window );">Ultimate Health Care Cost Trend Rate</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">4.50%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate', window );">Year that Ultimate Health Care Cost Trend Rate is reached</a></td>
<td class="text">2024<span></span>
</td>
<td class="text">2024<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ultimate trend rate for health care cost for defined benefit postretirement plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Year ultimate health care cost trend rate is expected to be reached, in CCYY format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>us-types:gYearListItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=utl_BenefitPlanCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=utl_BenefitPlanCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<head>
<title></title>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6786542704">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Components of Retirement Plan Costs (Detail) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plans</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">$ 776<span></span>
</td>
<td class="nump">$ 848<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest Cost</a></td>
<td class="nump">1,621<span></span>
</td>
<td class="nump">1,469<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected Return on Plan Assets</a></td>
<td class="num">(2,119)<span></span>
</td>
<td class="num">(1,946)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Prior Service Cost Amortization</a></td>
<td class="nump">80<span></span>
</td>
<td class="nump">81<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Actuarial Loss Amortization</a></td>
<td class="nump">1,081<span></span>
</td>
<td class="nump">1,447<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DefinedBenefitPlanGrossPeriodicBenefitCost', window );">Sub-total</a></td>
<td class="nump">1,439<span></span>
</td>
<td class="nump">1,899<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DefinedBenefitPlanCapitalizedAndDeferred', window );">Amounts Capitalized and Deferred</a></td>
<td class="num">(412)<span></span>
</td>
<td class="num">(720)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net Periodic Benefit Cost Recognized</a></td>
<td class="nump">1,027<span></span>
</td>
<td class="nump">1,179<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefit Plans, Defined Benefit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">576<span></span>
</td>
<td class="nump">733<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest Cost</a></td>
<td class="nump">856<span></span>
</td>
<td class="nump">851<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected Return on Plan Assets</a></td>
<td class="num">(411)<span></span>
</td>
<td class="num">(409)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Prior Service Cost Amortization</a></td>
<td class="nump">303<span></span>
</td>
<td class="nump">327<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Actuarial Loss Amortization</a></td>
<td class="nump">57<span></span>
</td>
<td class="nump">346<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DefinedBenefitPlanGrossPeriodicBenefitCost', window );">Sub-total</a></td>
<td class="nump">1,381<span></span>
</td>
<td class="nump">1,848<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DefinedBenefitPlanCapitalizedAndDeferred', window );">Amounts Capitalized and Deferred</a></td>
<td class="num">(474)<span></span>
</td>
<td class="num">(742)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net Periodic Benefit Cost Recognized</a></td>
<td class="nump">907<span></span>
</td>
<td class="nump">1,106<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plans, Defined Benefit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">60<span></span>
</td>
<td class="nump">122<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest Cost</a></td>
<td class="nump">139<span></span>
</td>
<td class="nump">101<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Prior Service Cost Amortization</a></td>
<td class="nump">3<span></span>
</td>
<td class="nump">47<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Actuarial Loss Amortization</a></td>
<td class="nump">158<span></span>
</td>
<td class="nump">122<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DefinedBenefitPlanGrossPeriodicBenefitCost', window );">Sub-total</a></td>
<td class="nump">360<span></span>
</td>
<td class="nump">392<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_utl_DefinedBenefitPlanCapitalizedAndDeferred', window );">Amounts Capitalized and Deferred</a></td>
<td class="num">(103)<span></span>
</td>
<td class="num">(113)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net Periodic Benefit Cost Recognized</a></td>
<td class="nump">$ 257<span></span>
</td>
<td class="nump">$ 279<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanInterestCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost recognized for passage of time related to defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanInterestCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of net periodic benefit cost (credit) for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanServiceCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanServiceCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_DefinedBenefitPlanCapitalizedAndDeferred">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amounts of pension and other post retirement benefit costs capitalized and deferred.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_DefinedBenefitPlanCapitalizedAndDeferred</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_utl_DefinedBenefitPlanGrossPeriodicBenefitCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The gross amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">utl_DefinedBenefitPlanGrossPeriodicBenefitCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>utl_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<span style="display: none;">v3.19.1</span><table class="report" border="0" cellspacing="2" id="idp6692885264">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Retirement Benefit Obligations - Additional Information (Detail)<br> $ in Millions</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th">
<div>Mar. 31, 2019 </div>
<div>USD ($)</div>
</th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plans</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Contributions to benefit plan</a></td>
<td class="nump">$ 1.3<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefit Plans, Defined Benefit</a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Contributions to benefit plan</a></td>
<td class="nump">0.4<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plans, Defined Benefit</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid', window );">Benefit payments under SERP Plan</a></td>
<td class="nump">0.1<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsRemainderOfFiscalYear', window );">Expected additional benefit payments for the remainder of 2018</a></td>
<td class="nump">$ 0.5<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(6)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
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<td>duration</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contribution received by defined benefit plan from employer which increases plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=112275985&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e2709-114920<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=108410482&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanContributionsByEmployer</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in remainder of fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
