<SEC-DOCUMENT>0001558370-19-005512-index.html : 20190605
<SEC-HEADER>0001558370-19-005512.hdr.sgml : 20190605
<ACCEPTANCE-DATETIME>20190605162920
ACCESSION NUMBER:		0001558370-19-005512
CONFORMED SUBMISSION TYPE:	PRE 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20190605
FILED AS OF DATE:		20190605
DATE AS OF CHANGE:		20190605

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:		PRE 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		19880013

	BUSINESS ADDRESS:	
		STREET 1:		1000 LOUISIANA STREET
		STREET 2:		SUITE 3900
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7135741880

	MAIL ADDRESS:	
		STREET 1:		1000 LOUISIANA STREET
		STREET 2:		SUITE 3900
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Harmony Merger Corp.
		DATE OF NAME CHANGE:	20140703
</SEC-HEADER>
<DOCUMENT>
<TYPE>PRE 14A
<SEQUENCE>1
<FILENAME>pre14a.htm
<DESCRIPTION>PRE 14A
<TEXT>
Document 1 - file: pre14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>pre14ag001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: pre14ag001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>pre14ag002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: pre14ag002.gif
</DOCUMENT> </SEC-DOCUMENT>