Helleniq Energy Holdings operates the Elefsina coking refinery, which is located in Attica, Greece. According to GlobalData, who tracks and profiles more than 1,400 refineries worldwide, it is a non integrated coking owned by Helleniq Energy Holdings. The refinery started operations in 1971 and has a Nelson Complexity Index (NCI) of 12. Buy the profile here.

Key refinery processes

Crude Distillation Unit (mbd): 106
Vacuum Distillation (mbd): 45
Hydrocracker (mbd): 39
Hydrotreater (mbd): 18

The capacity of the Elefsina refinery is expected to remain the same as 106mbd by 2030.

Maintenance activities at Elefsina coking refinery

The Elefsina refinery coking witnessed four incidents during the period 2017-2022.

About Helleniq Energy Holdings

Helleniq Energy Holdings SA (Helleniq Energy), formerly, Hellenic Petroleum Holdings SA is an integrated oil and gas company. It refines, supplies, and trades oil products, natural gas; and markets fuels in Greece and South-eastern European markets with a network of petrol stations. The company owns and operates vertically integrated petrochemicals complex in Greece. The company also produces and processes polypropylene, propylene, solvents, and inorganics. It operates natural gas power generation plants, and supplies, transports, and trades natural gas through import pipelines and the Revithoussa LNG terminal. It also provides engineering and consulting services in Southeast Europe and has interests in various renewable facilities. Helleniq Energy is headquartered in Maroussi, Greece.

For more details on the Elefsina coking refinery, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.