CITGO Petroleum operates the Lemont refinery, which is located in Illinois, the US. It is an integrated refinery owned by Petroleos de Venezuela. The refinery, which started operations in 1925, has an NCI of 11.6.

Key processes of the refinery

Crude Distillation Unit (mbd): 177
Vacuum Distillation (mbd): 77
Coking (mbd): 41
Catalytic Cracker (mbd): 70
Reformer (mbd): 36
Hydrotreater (mbd): 229
Alkylation (mbd): 23

The capacity of the refinery is expected to remain the same as 177mbd by 2030.

Maintenance activities at Lemont refinery

The Lemont refinery witnessed one incidents during the period 2015-2020.

About CITGO Petroleum

CITGO Petroleum Corp (CITGO) refines, transports, and markets transportation fuels, lubricants, petrochemicals, solvents, and other petroleum-based industrial products. The company owns and operates crude oil refineries in Lemont, Illinois; Corpus Christi, Texas; and Lake Charles, Louisiana. It also has a network of petroleum product terminals and pipelines. Its terminals stores distribute petroleum products such as diesel, gasoline, heating oil, and jet fuel across major regions of the US. CITGO markets petroleum products to customers and businesses through its network of independent distributors. The company is owned by CITGO Holding Inc, which is an indirect subsidiary of Petroleos de Venezuela SA (PDVSA). CITGO is headquartered in Houston, Texas, the US.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.