The US LNG producer NextDecade has taken a positive final investment decision (FID) on Train 4 of its Rio Grande LNG export project in Texas (United States). Train 4 is expected to have a liquefaction capacity of nearly 6 Mt/year. NextDecade is currently constructing Phase 1 of the Rio Grande project, which includes three trains with a combined capacity of 17.6 Mt/year. The first phase is scheduled to begin operations in 2027, with plans to expand total capacity to 27 Mt/year.
Train 4 is backed by 20-year sales and purchase agreements (SPAs) totalling 4.6 Mt/year with UAE’s ADNOC, France’s TotalEnergies, and Saudi Aramco. It is expected to be completed and deliver its first commercial cargoes in the second half of 2030. In parallel, TotalEnergies has entered into agreements with NextDecade to acquire a 10% equity stake in the joint venture (JV) developing Train 4. The JV includes NextDecade (40%), Global Infrastructure Partners (USA, 36.9%), GIC (Singapore, 7.9%), and Mubadala (United Arab Emirates, 5.2%).
Train 5 has also been fully commercialized and is expected to reach FID in the fourth quarter of 2025. In September 2025, NextDecade signed 20-year LNG supply agreements with US companies ConocoPhillips (1 Mt/year) and EQT (1.5 Mt/year), further supporting the project’s development.
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