Chennai Petroleum operates the Manali refinery, which is located in Tamil Nadu, India. It is an integrated refinery owned by Indian Oil, National Iranian Oil, and others. The refinery, which started operations in 1969, has an NCI of 7.67.

Key processes of the refinery

Crude Distillation Unit (mbd): 211
Vacuum Distillation (mbd): 80
Coking (mbd): 44
Catalytic Cracker (mbd): 17
Hydrocracker (mbd): 45
Reformer (mbd): 6
Hydrotreater (mbd): 112
Isomerization (mbd): 3

The capacity of the refinery is expected to remain the same as 210.9mbd by 2030.

During the period 2021-2025, the Manali refinery is expected to witness an estimated capex of $94.2m.

Maintenance activities at Manali refinery

The Manali refinery witnessed eighteen incidents during the period 2015-2020.

Upcoming expansion projects at Manali refinery

Amine Unit, Sulfur Recovery Unit

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About Chennai Petroleum

Chennai Petroleum Corp Ltd (CPCL) formerly known as Madras Refineries Limited (MRL), is a state-owned oil refining company. It is a subsidiary of Indian Oil Corporation Limited. The company offers a range of petroleum and specialty products. CPCL’s product portfolio includes liquefied petroleum gas, superior kerosene, motor spirit, aviation turbine fuel, naphtha, high-speed diesel, bitumen, paraffin wax, lube base oils, furnace oil, propylene, butane and hexane among others. CPCL owns and operates two refineries: Manali Refinery in Himachal Pradesh and Cauvery Basin Refinery (CBR) in Nagapattinam, Tamil Nadu The company caters its products to various industries that include fertilizers, power, petrochemicals, roadways, railways and airways. The company is a joint venture between the Government of India (GOI), AMOCO and National Iranian Oil Company (NIOC). CPCL is headquartered at Chennai, Tamil Nadu, India.


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.