<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>AMEREN CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>023608102</cusip>
			<value>179</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3149</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>3149</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>AMERICAN ELEC PWR INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>025537101</cusip>
			<value>51453</value>
			<shrsOrPrnAmt>
				<sshPrnamt>750147</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>490093</Sole>
				<Shared>260054</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ATMOS ENERGY CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>049560105</cusip>
			<value>121</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1427</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>1427</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>CMS ENERGY CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>125896100</cusip>
			<value>166</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3650</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>3650</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>CENTERPOINT ENERGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>15189T107</cusip>
			<value>99</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3599</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>3599</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>CHENIERE ENERGY INC</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>16411R208</cusip>
			<value>82990</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1552651</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>1022351</Sole>
				<Shared>530300</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>CONSOLIDATED EDISON INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>209115104</cusip>
			<value>315</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4030</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>4030</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>CROWN CASTLE INTL CORP NEW</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>22822V101</cusip>
			<value>135566</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1236801</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>819912</Sole>
				<Shared>416889</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>DTE ENERGY CO</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>233331107</cusip>
			<value>219</value>
			<shrsOrPrnAmt>
				<sshPrnamt>2090</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>2090</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>DOMINION ENERGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>25746U109</cusip>
			<value>564</value>
			<shrsOrPrnAmt>
				<sshPrnamt>8350</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>8350</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>DUKE ENERGY CORP NEW</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>26441C204</cusip>
			<value>706</value>
			<shrsOrPrnAmt>
				<sshPrnamt>9109</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>9109</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>EDISON INTL</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>281020107</cusip>
			<value>31376</value>
			<shrsOrPrnAmt>
				<sshPrnamt>492863</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>325615</Sole>
				<Shared>167248</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ENBRIDGE INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>29250N105</cusip>
			<value>248347</value>
			<shrsOrPrnAmt>
				<sshPrnamt>7834287</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>5469509</Sole>
				<Shared>2364778</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ENTERGY CORP NEW</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>29364G103</cusip>
			<value>185</value>
			<shrsOrPrnAmt>
				<sshPrnamt>2342</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>2342</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>EVERSOURCE ENERGY</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>30040W108</cusip>
			<value>242</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4097</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>4097</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>EXELON CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>30161N101</cusip>
			<value>329</value>
			<shrsOrPrnAmt>
				<sshPrnamt>8424</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>8424</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>FIRSTENERGY CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>337932107</cusip>
			<value>148</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4337</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>4337</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>FORTIS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>349553107</cusip>
			<value>185</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5478</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>5478</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>GENESEE &amp; WYO INC</nameOfIssuer>
			<titleOfClass>CL A</titleOfClass>
			<cusip>371559105</cusip>
			<value>69244</value>
			<shrsOrPrnAmt>
				<sshPrnamt>978160</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>644352</Sole>
				<Shared>333808</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>GREAT PLAINS ENERGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>391164100</cusip>
			<value>89</value>
			<shrsOrPrnAmt>
				<sshPrnamt>2799</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>2799</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>KANSAS CITY SOUTHERN</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>485170302</cusip>
			<value>279</value>
			<shrsOrPrnAmt>
				<sshPrnamt>2537</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>2537</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>KINDER MORGAN INC DEL</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>49456B101</cusip>
			<value>74724</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4961695</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>3428302</Sole>
				<Shared>1533393</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>NRG YIELD INC</nameOfIssuer>
			<titleOfClass>CL C</titleOfClass>
			<cusip>62942X405</cusip>
			<value>69763</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4103702</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>3002677</Sole>
				<Shared>1101025</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>NEXTERA ENERGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>65339F101</cusip>
			<value>37611</value>
			<shrsOrPrnAmt>
				<sshPrnamt>230273</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>151867</Sole>
				<Shared>78406</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>NEXTERA ENERGY PARTNERS LP</nameOfIssuer>
			<titleOfClass>COM UNIT PART IN</titleOfClass>
			<cusip>65341B106</cusip>
			<value>6523</value>
			<shrsOrPrnAmt>
				<sshPrnamt>163106</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>151361</Sole>
				<Shared>11745</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>NORFOLK SOUTHERN CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>655844108</cusip>
			<value>958</value>
			<shrsOrPrnAmt>
				<sshPrnamt>7051</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>7051</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>OGE ENERGY CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>670837103</cusip>
			<value>86</value>
			<shrsOrPrnAmt>
				<sshPrnamt>2595</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>2595</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PG&amp;E CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>69331C108</cusip>
			<value>50583</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1151430</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>760144</Sole>
				<Shared>391286</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PPL CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>69351T106</cusip>
			<value>252</value>
			<shrsOrPrnAmt>
				<sshPrnamt>8897</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>8897</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PATTERN ENERGY GROUP INC</nameOfIssuer>
			<titleOfClass>CL A</titleOfClass>
			<cusip>70338P100</cusip>
			<value>73023</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4223389</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>3122881</Sole>
				<Shared>1100508</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PEMBINA PIPELINE CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>706327103</cusip>
			<value>576</value>
			<shrsOrPrnAmt>
				<sshPrnamt>18538</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>18538</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PINNACLE WEST CAP CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>723484101</cusip>
			<value>116</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1449</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>1449</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>PUBLIC SVC ENTERPRISE GROUP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>744573106</cusip>
			<value>265</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5262</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>5262</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SCANA CORP NEW</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>80589M102</cusip>
			<value>43074</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1147101</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>756225</Sole>
				<Shared>390876</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SEMPRA ENERGY</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>816851109</cusip>
			<value>52352</value>
			<shrsOrPrnAmt>
				<sshPrnamt>470704</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>310044</Sole>
				<Shared>160660</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SOUTHERN CO</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>842587107</cusip>
			<value>584</value>
			<shrsOrPrnAmt>
				<sshPrnamt>13063</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>13063</Sole>
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				<None>0</None>
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			<nameOfIssuer>TRANSCANADA CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>89353D107</cusip>
			<value>6661</value>
			<shrsOrPrnAmt>
				<sshPrnamt>161251</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
			<votingAuthority>
				<Sole>151609</Sole>
				<Shared>9642</Shared>
				<None>0</None>
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		<infoTable>
			<nameOfIssuer>UNION PAC CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>907818108</cusip>
			<value>70467</value>
			<shrsOrPrnAmt>
				<sshPrnamt>524188</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>349834</Sole>
				<Shared>174354</Shared>
				<None>0</None>
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		<infoTable>
			<nameOfIssuer>WEC ENERGY GROUP INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>92939U106</cusip>
			<value>232</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3692</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>3692</Sole>
				<Shared>0</Shared>
				<None>0</None>
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		<infoTable>
			<nameOfIssuer>WESTAR ENERGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>95709T100</cusip>
			<value>97</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1841</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>1841</Sole>
				<Shared>0</Shared>
				<None>0</None>
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		<infoTable>
			<nameOfIssuer>WILLIAMS COS INC DEL</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>969457100</cusip>
			<value>126743</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5098232</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>3552148</Sole>
				<Shared>1546084</Shared>
				<None>0</None>
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		</infoTable>
		<infoTable>
			<nameOfIssuer>XCEL ENERGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>98389B100</cusip>
			<value>271</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5938</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>5938</Sole>
				<Shared>0</Shared>
				<None>0</None>
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		<infoTable>
			<nameOfIssuer>ATLANTICA YIELD PLC</nameOfIssuer>
			<titleOfClass>SHS</titleOfClass>
			<cusip>G0751N103</cusip>
			<value>12235</value>
			<shrsOrPrnAmt>
				<sshPrnamt>624856</sshPrnamt>
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			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>1</otherManager>
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				<Sole>577943</Sole>
				<Shared>46913</Shared>
				<None>0</None>
			</votingAuthority>
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</informationTable>
