US liquefaction player NextDecade has signed its first sale and purchase agreement (SPA) for liquefied natural gas cargoes from its planned Rio Grande LNG facility in Brownsville, Texas, writes Beate Schjolberg.

The 20-year deal with Shell calls for deliveries of 2 million tonnes per annum of LNG, or about 15% of the 13.5 million tpa capacity of the proposed phase of Rio Grande LNG.