<SEC-DOCUMENT>0001612720-26-000034-index.html : 20260519
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<ACCEPTANCE-DATETIME>20260519171032
ACCESSION NUMBER:		0001612720-26-000034
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20260519
DATE AS OF CHANGE:		20260519

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NextDecade Corp
		CENTRAL INDEX KEY:			0001612720
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				465723951
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		261000228

	BUSINESS ADDRESS:	
		STREET 1:		1000 LOUISIANA STREET
		STREET 2:		SUITE 3300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7135741880

	MAIL ADDRESS:	
		STREET 1:		1000 LOUISIANA STREET
		STREET 2:		SUITE 3300
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NextDecade Corp.
		DATE OF NAME CHANGE:	20170726

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Harmony Merger Corp.
		DATE OF NAME CHANGE:	20140703
</SEC-HEADER>
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<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>next-20260519.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: next-20260519.htm

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<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>next-20260519.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 2 - file: next-20260519.xsd

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>4
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 4 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>5
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 5 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 6 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 8 - file: FilingSummary.html

Document 8 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>10
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 10 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>11
<FILENAME>0001612720-26-000034-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: 0001612720-26-000034-xbrl.zip

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>next-20260519_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: next-20260519_htm.html

Document 12 - RAW XML: next-20260519_htm.xml

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