Shipowener Crowley Maritime Corp. said Wednesday it is partnering with Royal Dutch Shell plc to construct a liquefied natural gas (LNG) bunker barge to serve vessels powered by the super-chilled fuel on the East Coast starting in 2024.

LNG

The 416-foot-long barge is designed to offer capacity for 12,000 cubic meters of LNG and product supply equipment to “fully serve ocean carriers,” Crowley said. Subsidiary Shell NA LNG LLC has signed a long-term charter for the barge, which is expected to be the largest Jones Act-compliant vessel of its kind once built. Financial terms of the contract were not disclosed.

“Shell is dedicated to growing our LNG bunkering network across key trade routes, and this barge supports our commitment to helping provide our customers with the energy...