    <SEC-DOCUMENT>0001193125-18-266082-index.html : 20180904
    <SEC-HEADER>0001193125-18-266082.hdr.sgml : 20180904
    <ACCEPTANCE-DATETIME>20180904151206
    ACCESSION NUMBER:		0001193125-18-266082
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		18
    CONFORMED PERIOD OF REPORT:	20180630
    FILED AS OF DATE:		20180904
    DATE AS OF CHANGE:		20180904
    EFFECTIVENESS DATE:		20180904

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BlackRock Utilities, Infrastructure & Power Opportunities Trust
    		CENTRAL INDEX KEY:			0001528988
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-22606
    		FILM NUMBER:		181052230

    	BUSINESS ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809-3700
    		BUSINESS PHONE:		(800) 882-0052

    	MAIL ADDRESS:
    		STREET 1:		100 BELLEVUE PARKWAY
    		CITY:			WILMINGTON
    		STATE:			DE
    		ZIP:			19809-3700

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BlackRock Utility & Infrastructure Trust
    		DATE OF NAME CHANGE:	20110830
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d634248dncsrs.htm
    <DESCRIPTION>BLACKROCK UTILITIES, INFRASTRUCTURE & POWER OPPORTUNITIES TRUST
    <TEXT>
    Document 1 - file: d634248dncsrs.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.CERT
    <SEQUENCE>2
    <FILENAME>d634248dex99cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
    <TEXT>
    Document 2 - file: d634248dex99cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.906CERT
    <SEQUENCE>3
    <FILENAME>d634248dex99906cert.htm
    <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
    <TEXT>
    Document 3 - file: d634248dex99906cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.13(C)
    <SEQUENCE>4
    <FILENAME>d634248dex9913c.htm
    <DESCRIPTION>SECTION 19(B) NOTICE
    <TEXT>
    Document 4 - file: d634248dex9913c.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g540393photo_01mips.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g540393photo_01mips.jpg

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    <DOCUMENT>
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    <SEQUENCE>6
    <FILENAME>g540393sig_01mips.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g540393sig_01mips.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g636073g03h14.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g636073g03h14.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g636073g14o44.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g636073g14o44.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g636073g16t72.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g636073g16t72.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g636073g21a05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g636073g21a05.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g636073g56l23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g636073g56l23.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g636073g57b79.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g636073g57b79.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g636073g65b16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g636073g65b16.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g636073g81d05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g636073g81d05.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g636073g82a35.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g636073g82a35.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g636073g83f96.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g636073g83f96.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g636073g98u13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g636073g98u13.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g636073leaf.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g636073leaf.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>