NextDecade Corporation is primarily engaged in the construction and development of the Rio Grande LNG export facility in South Texas, which is designed to have a total capacity of up to 48 million tonnes per annum across multiple liquefaction trains. The company's business model spans the LNG value chain, including pipeline interconnection, feeder infrastructure, and the integration of carbon capture and storage (CCS) technology to reduce greenhouse gas emissions. NextDecade secures long-term sale and purchase agreements (SPAs) with global energy companies to support the financing and commercialization of its facilities. By combining large-scale LNG export capabilities with decarbonization initiatives, the company positions itself as a provider of secure midstream energy solutions.