The site was selected because of its excellent natural harbour, and the facility can accept supertankers up to 500,000 tonnes deadweight (DWT).
[2] Refined products are mainly transported from Preemraff Lysekil using tanker ships.
Preem is the largest supplier of petroleum products in Sweden and its two refineries, Preemraff Göteborg in Gothenburg, and Preemraff Lysekil in Lysekil represent 80 percent of Sweden's refining capacity.
[3] The annual capacity of Preemraff Lysekil is around 11 million metric tons of crude oil.
[4] The highly visible flares, towers and chimneys also makes the refinery a navigation mark for vessels entering Brofjorden.