<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>010400 - Disclosure - INVESTMENTS IN UNCONSOLIDATED ENTITIES</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>FROM_Apr01_2013_TO_Jun30_2013</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0001032208</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-04-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="3 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>sre_NotesToConsolidatedFinancialStatementsAbstract</ElementName><ElementPrefix>sre_</ElementPrefix><IsBaseElement>false</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Notes to Consolidated Financial Statements [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_EquityMethodInvestmentsDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="FROM_Apr01_2013_TO_Jun30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;p style='margin-top:24pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Arial;font-size:11pt;margin-left:0px;"&gt;NOTE 4. INVESTMENTS IN UNCONSOLIDATED ENTITIES&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top: 0pt; margin-bottom: 0pt;'&gt;&lt;/p&gt;&lt;p style='margin-top:12pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;We provide additional information concerning &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;all of our equity method&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; investments in Note 4 of the Notes to Consolidated Financial St&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;atements in the Annual Report.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&amp;#160;&lt;/p&gt;&lt;p style='margin-top: 0pt; margin-bottom: 0pt;'&gt;&lt;/p&gt;&lt;p style='margin-top:21pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;"&gt;SEMPRA SOUTH AMERICAN UTILITIES&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;Sempra South American Utilities &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;previously owned&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 43 percent of two Argentine natural gas utility holding companies, &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Sodigas&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Pampeana&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; and &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Sodigas&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Sur&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In December 2006, we decided to sell our Argentine investments&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; and actively pursued their sale since that time&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In the first quarter of 2013&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;we &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;recorded a&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; noncash impairment charge of $10 million ($&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;7 million&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; after-tax)&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; to reduce the carrying value of our investment&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; to estimated fair value&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;The net cha&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;r&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;ge is reported in&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Equi&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;ty Earnings, Net of Income Tax &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;on the Condensed Consolidated Statement of Operations for the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;six&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; months ended &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;June&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 3&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;0&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, 2013.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In June&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 2013&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; we completed the sale o&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;f our Argentine investments for &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;$13 million&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; in&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; cash. Our results for the three &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;months &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;and six months ended June 30, 2013 include a&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;n additional&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; $7 million loss (&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;$4 million after-tax&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;) on &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;sale&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;which &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;is&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; also&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; included in Equity Earnings&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, Net of Income Tax&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;We provide additional information concerning our investment&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; in &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Sodigas&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Pampeana&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; and &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Sodigas&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Sur in Note 4 &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;of&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; the Notes to Consolidated Financial Statements in the Annual Report.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;As a result of the devaluation of the Argentine peso at the end of 2001 and subsequent changes in the value of the peso, Sempra South American Utilities had reduced the carrying value of its investment&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; by a cumulative total of $270 million prior to the sale. These noncash adjustments, based on fluctuations in the value of the Argentine peso, did not affect earnings, but were recorded in Comprehensive Income and Accumulated Other Comprehensive Income (Loss).&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;As a result of the sale of our investments, this cumulative foreign currency translation adjustment was reclassified to &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Equity Earnings, Net of Income Tax&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, where it was &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;substantially &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;offset by the elimination of a $250 million accrued liability established in 2006.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;Chilquinta&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Energ&amp;#237;a&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;has &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;entered into &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;two&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 50-percent owned joint venture&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Eletrans&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; S.A. and &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Eletrans&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;II &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;S.A. (&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;collectively&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Eletrans&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;)&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; with &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Sociedad&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Austral de &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Electricidad&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Sociedad&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;An&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;&amp;#243;&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;n&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;i&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;m&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;a&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; (SAESA) &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;to construct&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;four&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;transmission lines in Chile. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In 2013&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Eletrans&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; entered into a &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;forward exchange contract&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; to manage &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;foreign currency exchange rate risk &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;of&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Chilean &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Unidad&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; de &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Fomento&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; (CLF)&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; relative to the U.S. dollar&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, related to &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;certain&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; construction commitments that are denominated in CLF&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;The forward exchange contract settles based on anticipated payments to vendors, generally monthly&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; ending in November 2017&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;For the three months and six months ended June 30, 2013, we recorded $3 million of equity losses related to this forward contract in&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Equity Earnings, Net of Income Tax on the Condensed Consolidated Statements of Operations.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:21pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;"&gt;SEMPRA RENEWABLES&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;S&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;empra Renewables invested $&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;5&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; million &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;and $&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;243&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; million &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;in &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;its &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;wind generation joint ventures&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;in&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;six&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; months ended &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;June&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 3&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;0&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, 2013 and 2012, respectively&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;In May 2013, Sempra Renewables entered into agreement&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; with Consolidated Edison Development (&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;ConEdison&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Development) to sell 50-percent interest&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; in its 150-MW Copper Mountain Solar 2 and 150-MW Mesquite Solar 1 solar power facilities&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In July 2013, the sale of 50 &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;percent &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;of our equity&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; in Copper Mountain &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Solar &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;2 to &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;ConEdison&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Development &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;was consummated&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; At June 30, 2013, Copper Mountain Solar 2 had approximately $267 million in net property, plant and equipment and $146 million in long-term debt.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:21pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;"&gt;SEMPRA NATURAL GAS&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;Sempra Natural Gas owns a 25-percent interest in Rockies Express&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Pipeline LLC&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; (Rockies Express)&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, a partnership that operates a natural gas pipeline, the Rockies Express Pipeline (REX&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;), that&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; links producing areas in the Rocky Mountain&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;s&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; region to the upper Midwest and the eastern United States. In November 2012, Kinder Morgan Energy &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Partners L.P. (KMP) sold its 50-&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;percent interest in Rockies Express, as part of a larger asset group, to &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Tallgrass&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Energy Partners, L.P. (&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Tallgrass&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;). Phillips 66 owns the remaining interest of 25 percent. Our total investment in Rockies Express is accounted for as an equity method investment.  &lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;The general partner of KMP is Kinder Morgan, Inc. (KMI). As a condition of KMI receiving antitrust approval from the Federal Trade Commission (FTC) for its acquisition of El Paso Corporation, KMI agreed to divest certain assets in its natural gas pipeline group.  Included in the asset group, as noted above, was KMP's interest in Rockies Express. KMP recorded &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;remeasurement&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; losses during 2012 associated with these operations (classified as &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;discontinued operations by KMP). &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;We recorded &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;an &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;impairment of our partnership investment in Rockies Express of $300 million ($179 million after-tax) in the quarter ended June 30, 2012&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; which &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;is&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; included in Equity Earnin&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;gs (Losses), Before Income Tax &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;on the &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Condensed &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;Consolidated Statements of Operations.  Our remaining carrying value in Rockies Express as of &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;June 30, 2013 &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;is $&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;339&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; million. We discuss the fair value measurement of our investment in Rockies Express in Note 11&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; of the Notes to Consolidated Financial Statements in the Annual Report.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:21pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Arial;font-size:10pt;font-weight:bold;margin-left:0px;"&gt;RBS &lt;/font&gt;&lt;font style="font-family:Arial;font-size:10pt;font-weight:bold;"&gt;SEMPRA COMMODITIES&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;RBS Sempra Commodities LLP (RBS Sempra Commodities) is a United Kingdom limited liability partnership that owned and operated commodities-marketing businesses&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; previously owned by us&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;We and our partner in the joint venture, The Royal Bank of Scotland &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;plc&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;(RBS), sold substantially all of the partnership's businesses and assets in four separate transactions completed in &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;2010 and &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;early &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;2011. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;We account for our investment in RBS Sempra Commodities under the equity method, and report our share of partnership earnings &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;and other associated costs &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;in Parent and Other. &lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;I&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;n April 2011, we and RBS entered into a letter agreement (Letter Agreement) which amended certain provisions of the agreements that &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;formed RBS Sempra Commodities. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;The Letter Agreement addresses the wind-down of the partnership and the distribution of the partnership's remaining assets. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In accordance with the Letter Agreement, we received a distribution of $50 million in May 2013. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;The investment balance of $&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;7&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;6&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; million at &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;June&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 3&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;0&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, 201&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;3&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; reflects remaining distributions expected to be received&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;from the partnership in accor&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;dance with the Letter Agreeme&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;nt. &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;The timing and amount of distributions &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;may&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; be impacted by&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; the&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; matters we discuss related to RBS Sempra Commodities in N&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;ote 10 under &amp;#8220;Other Litigation.&amp;#8221;&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;In addition,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; amounts may be retained by the partnership &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;for an extended period of time&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; to help offset unanticipated future general and administrative costs necessary to complete the&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; dissolution of the partnership&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;  &lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;In connection with the Letter Agreement described above, we also released RBS from its indemnification obligations with respect to the items for which J&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;P&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;.&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Morgan&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Chase &amp;amp; Co. (JP Morgan)&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, one of the buyers of the partnership's businesses, &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;has agreed to indemnify us.&lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;We recorded &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;no&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; equity earnings or loss&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;es&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; related to the partnership for &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;either &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;the three &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;months&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;or six &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;months ended &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;June&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 3&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;0&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;,&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 2013 and&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; 2012.  &lt;/font&gt;&lt;/p&gt;&lt;p style='margin-top:0pt; margin-bottom:6pt'&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;"&gt;We discuss the RBS Sempra Commodities sales transactions&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;, the Letter Agreement&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; and other matters concerning the partnership in Note 4 of &lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt;the&lt;/font&gt;&lt;font style="font-family:Times New Roman;font-size:10pt;"&gt; Notes to Consolidated Financial Statements in the Annual Report.&lt;/font&gt;&lt;/p&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 210

 -SubTopic 10

 -Section S99

 -Paragraph 1

 -Subparagraph (SX 210.5-02.12)

 -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 323

 -SubTopic 10

 -Section 50

 -Paragraph 3

 -URI http://asc.fasb.org/extlink&amp;oid=6382943&amp;loc=d3e33918-111571



Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 323

 -SubTopic 10

 -Section 35

 -Paragraph 35

 -URI http://asc.fasb.org/extlink&amp;oid=7658923&amp;loc=d3e32847-111569



Reference 4: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 323

 -SubTopic 10

 -Section 35

 -Paragraph 32

 -URI http://asc.fasb.org/extlink&amp;oid=7658923&amp;loc=d3e32787-111569



Reference 5: http://www.xbrl.org/2003/role/presentationRef

 -Publisher AICPA

 -Name Accounting Principles Board Opinion (APB)

 -Number 18

 -Paragraph 20

 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Investments in Unconsolidated Entities</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>INVESTMENTS IN UNCONSOLIDATED ENTITIES</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://www.sempra.com/role/DisclosureINVESTMENTSINUNCONSOLIDATEDENTITIES</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
