Inspections have shown that a fire last month at Equinor ASA’s Hammerfest liquefied natural gas (LNG) terminal in northern Norway will require at least a year’s worth of work to repair, the company said Monday. 

The fire broke out in the air intake of one of the plant’s five power turbines, which caused extensive damage, Equinor said. Large amounts of seawater were also pumped in to extinguish the blaze, which caused damage to the facility’s electrical equipment and cables. 

“Although a lot of inspection work still remains and there is still significant uncertainty, our best estimate now is that it may take up until Oct. 1, 2021 to get Hammerfest LNG back into production,” said plant director Andreas Sandvik.

The duration of the shutdown is also likely to depend on...