GlobalData’s latest report, Q4 2018 Global Ethylene Capacity and Capital Expenditure Outlook – Saudi Arabian Oil Co and Exxon Mobil Corp Lead Global Capacity Additions states that the global ethylene capacity is poised to see considerable growth over the next nine years, potentially increasing from 184.1 million tonnes per annum (mtpa) in 2017 to 279.4mtpa in 2026. Around 140 planned and announced plants are slated to come online in the next nine years, primarily in Asia and the Middle East.
In Asia, China has 36 planned and announced ethylene plants, with a total capacity of about 22.2mtpa by 2026. Capital expenditure (capex) for these plants is $43bn. Major capacity additions will be from Exxon Mobil.
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The US has 17 planned and announced ethylene plants, with a capacity of about 15.9mtpa over the next nine years, and plans to spend $27.24bn. Major capacity additions will be from Formosa Plastics Group.
In the Middle East, Iran has 17 planned and announced ethylene plants, expected to start operations with total capacity of about 10.6mtpa by 2026. Capex for these plants totals $20.45bn over the next nine years. Major capacity additions will be from The National Petrochemical Co.
Global planned and announced ethylene capacity additions by top 10 countries (mtpa)

| Source: Petrochemical Analytics © GlobalData |
In the Former Soviet Union, most ethylene capacity additions are in Russia, with capacity of about 7.2mtpa by 2026. Capex for these plants totals $14.36bn by 2026. Sibur Holding is the top company accounting for the major capacity additions in Russia.
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By GlobalDataIn South America, Brazil plans to spend $2.98bn and add capacity of 1.3mtpa, expected to come onstream by 2026. In Africa, Egypt plans to spend $4.86bn and add capacity of about 1.7mtpa, expected to come onstream by 2026.
Saudi Arabian Oil Co, Exxon Mobil, and The National Petrochemical Co are the top three companies by planned capacity additions globally over the next nine years.