5 States With The Largest Refining Capacity

2. Louisiana

Refining Capacity: 2,774,097 b/cd

Louisiana is home to 13 operating oil refineries, and some of the biggest oil refineries in the US. Coming in as the state with the second largest refining capacity, Louisiana has a combined refining capacity of 2,774,097 barrels of crude oil per calendar day. Louisiana’s oil refineries account for around one-sixth of the country’s total refining capacity.