Mongstad is an industrial site in Vestland county, Norway. The site sits on the border of the municipalities of Alver and Austrheim, with most of the site in Alver. The site features an oil refinery for Equinor and other oil companies, including Shell. At Mongstad, Equinor has a crude oil terminal with a capacity of 9.5 million barrels (1,510,000 m3). The port at Mongstad is the largest in Norway, measured in tonnage. The refinery at Mongstad is modern, and has been extensively upgraded, with a capacity of 12 million tonnes of crude oil per year (230,000 barrels per day). The refinery is the largest in Norway, though medium-sized by European standards. It is owned by a company called Mongstad Refining, in which Equinor has whole ownership (since 2012).