Unit production cost guidance has increased from US$85/t to $105/t.
Permanent roles will be offered upon completion of the review.
Worker killed during lifting operation underground.
People will be prepared through simulator and scenario training and given automation team support.
Operations at Moranbah were further impacted by challenging geological conditions.
The restart came after significant investment in new equipment.
Aquila's milestone comes as the its stablemate Grasstree passes its "last coal" milestone.
Deal doubles the amount of equipment National is supplying to the mine.
Met coal production for the quarter was 4.4 million tonnes.
Becomes the third Australian iron ore miner to go down the battery-electric locomotive path.
Aurizon has a target to reach net zero operational emissions by 2050.
Designed to improve mine productivity through better blasting.