<SEC-DOCUMENT>0001612720-18-000050-index.html : 20180905
<SEC-HEADER>0001612720-18-000050.hdr.sgml : 20180905
<ACCEPTANCE-DATETIME>20180905165607
ACCESSION NUMBER:		0001612720-18-000050
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20180905
FILED AS OF DATE:		20180905
DATE AS OF CHANGE:		20180905
EFFECTIVENESS DATE:		20180905

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NextDecade Corp.
		CENTRAL INDEX KEY:			0001612720
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
		IRS NUMBER:				465723951
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		181055713

	BUSINESS ADDRESS:	
		STREET 1:		3 WATERWAY SQUARE PLACE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380
		BUSINESS PHONE:		832-403-1874

	MAIL ADDRESS:	
		STREET 1:		3 WATERWAY SQUARE PLACE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Harmony Merger Corp.
		DATE OF NAME CHANGE:	20140703
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>next-20180905xdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: next-20180905xdef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>next20180905xdef14a001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: next20180905xdef14a001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>next20180905xdef14a002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: next20180905xdef14a002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>next20180905xdef14a003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: next20180905xdef14a003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>next20180905xdef14a004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: next20180905xdef14a004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>next20180905xdef14a005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: next20180905xdef14a005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>next20180905xdef14a006.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: next20180905xdef14a006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>next20180905xdef14a007.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: next20180905xdef14a007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>next20180905xdef14a008.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: next20180905xdef14a008.jpg
</DOCUMENT> </SEC-DOCUMENT>