After discovery of oil in the Assam state of India in late 1880s, the first oil refinery was set up at Digboi. Digboi Refinery was commissioned in 1901.[1] Following is a list of oil refineries in India, per the Petroleum Planning and Analysis Cell of the Ministry of Petroleum and Natural Gas, Government of India,[2] arranged in decreasing order of their capacity.
As a group, Indian Oil Corporation has the largest refining capacity, with nine refineries located across western, northern and north-eastern regions of India. The Jamnagar Refinery by Reliance Industries Limited is the largest refinery in the world[3] and has the largest Nelson Complexity Index in India of 21.1.[4] Various refineries are undergoing capacity expansions, and the Barmer Refinery is expected to be commissioned in January 2024.[5]
No. | Refinery | Oil company | Sector | State | Location | Capacity (106 tonnes/y) | Stage |
---|---|---|---|---|---|---|---|
1 | Barmer Refinery | HPCL Rajasthan Refinery Limited (HRRL) | Joint Venture of Public sector | Rajasthan | Barmer
(now Balotra district) of Rajasthan |
9 | Expected to commission in January 2024.[5] |
2 | Ratnagiri Refinery | Ratnagiri Refinery And Petrochemicals Limited (RRPCL) | Joint Venture of Public sector | Maharashtra | Not finalized | 60 | Planning stage.[26] |
3 | Vidarbha Refinery | Maharashtra | Not finalized | Planning stage.[27] | |||
4 | Bargarh Refinery | Odisha | Bargarh | Planning stage.[28] |