The Gulf Coast states of Texas and Louisiana host the highest density of facilities, benefiting from proximity to major shipping lanes and crude oil imports. This capacity represents roughly 54% of the global refining capacity, underscoring the strategic importance of these facilities in both the domestic economy and the international energy market.
Midwest Refinery Count 2024: Ohio, Illinois, and Regional Trends
The United States operates a complex network of oil refineries that form the backbone of the nation’s energy infrastructure. States like California, Washington, and Illinois also maintain significant refining hubs to serve local and regional fuel demands.
Over time, stricter environmental regulations and the pursuit of higher efficiency led to the closure of older, less productive sites, while remaining facilities underwent massive expansions to increase their throughput. The following table outlines the approximate number of active refineries in the top refining states based on the latest energy information administration data.
Midwest Refinery Count 2024: Ohio and Illinois Refining Hub
Some operators are investing in biofuel production and renewable diesel facilities, effectively repurposing traditional refining infrastructure to meet new market demands. In the mid-20th century, the number of facilities was significantly higher, with many smaller operations unable to compete with the economies of scale offered by larger plants.
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