Wisconsin’s only oil refinery is located in Superior, on 24th Ave. E., about a mile southwest of Superior Bay. The refinery, owned by Cenovus Energy, processes crude oil from North Dakota and Western Canada. [1] With a capacity of 50,000 barrels of oil per day, it produces over 740 million gallons of gasoline, diesel fuel and asphalt per year. [2]
The refinery opened in 1951, when it was known as Murphy Oil USA. It was purchased in 2017 by Husky Energy of Canada for $435 million. [3] Cenovus,...