United States securities and exchange commission logo April 1, 2021 Matthew Schatzman Chief Executive Officer NextDecade Corporation 1000 Louisiana Street, Suite 3900 Houston, TX 77002 Re: NextDecade Corporation Registration Statement on Form S-3 Filed March 26, 2021 File No. 333-254781 Dear Mr. Schatzman: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Liz Packebusch at (202) 551-8749 with any questions. Sincerely, Division of Corporation Finance Office of Energy & Transportation cc: Coleman Wombwell