GlobalData’s latest analysis of the global planned ethylene capacity shows that the US has the highest planned ethylene capacity additions globally with 10 million tonnes per year (mtpa) during 2018 to 2022, followed by China and Iran with 8mtpa and 6mtpa respectively.
Presently, the US accounts for 33% of the total global planned ethylene capacity additions in 2022. The country has eight planned ethylene plants. Among these, Formosa Plastics Corporation Point Comfort Ethylene Plant 3 and Exxon Mobil Corporation Baytown Ethylene Plant 2 have the highest capacity with 2.3mtpa each. Shell Chemical Beaver County Ethylene Plant, Sasol Lake Charles Ethylene Plant 2, and Chevron Phillips Chemical Company Baytown Ethylene Plant 2 are jointly in second, each with a capacity of 1.5mtpa.
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China has a 27% share in the global planned ethylene capacity additions in 2022. The country has 18 planned ethylene plants. The top three planned plants in terms of capacity are Zhejiang Petrochemical Daishan Ethylene Plant 1 with a capacity of 1.4mtpa, followed by Sinopec Zhenhai Refining & Chemical Company Ningbo Ethylene Plant 2 and Sinochem Quanzhou Petrochemical Quanzhou Ethylene Plant with capacities of 1.3mtpa and 1.0mtpa respectively.
Iran is expected to contribute about 19% to the total global planned ethylene capacity additions in 2022. The country has nine planned ethylene plants. Sepid Mehr Chabahar Ethylene Plant leads with a capacity of 1.1mtpa. Gachsaran Petrochemical Company Gachsaran Ethylene Plant, Bushehr Petrochemical Company Assaluyeh Ethylene Plant, and Firouzabad Petrochemical Company Firouzabad Ethylene Plant are jointly in second, each with a capacity of 1.0mtpa.
Global Planned Ethylene Capacity Addition by Key Countries, 2018–2022

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Russia has a 7% share in the global planned ethylene capacity additions in 2022. The country has only two planned plants, ZapSibNeftekhim Tobolsk Ethylene Plant and Novy Urengoy Gas-chemical Novy Urengoy Ethylene Plant, with capacities of 1.5mtpa and 0.4mtpa respectively.
Malaysia, Vietnam, Oman, and Venezuela are jointly in fifth, each with a capacity of 1mtpa, contributing around 3% of the total global planned ethylene capacity additions in 2022.