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Explosion at MOL’s Tiszaujvaros Petrochemical Plant Kills One, Injures Several

BUDAPEST, May 22 (Reuters) – An explosion ⁠at ⁠Hungarian oil and gas ⁠group MOL’s petrochemical plant in Tiszaujvaros, eastern ​Hungary, has killed one person and seriously injured several others, ‌the company said in a ‌statement on Friday.

Prime Minister Peter Magyar said in ⁠a ⁠Facebook post that his economy minister Istvan Kapitany and ​MOL’s executive chairman Zsolt Hernadi were en route to the plant. Magyar also posted a photo that showed huge black ​smoke billowing out of the plant.

“An explosion occurred at MOL ⁠Petrochemicals’ ⁠site in Tiszaújváros during ⁠the ​restart of the Olefin 1 plant. The fire was localised ​by firefighters, and ⁠the intervention is still ongoing,” MOL said.

“The circumstances of the accident are being investigated by experts,” the company added, without giving further details.

Kapitany, in a Facebook post, ⁠said that according to current information, a compressor exploded during the ⁠restart of the Olefin 1 plant and the fire was still being put out.

The Olefin 1 plant is a steam cracker unit at MOL’s petrochemical plant in Tiszaujvaros. The production capacity of MOL’s Olefin-1 plant is approximately 370,000 metric tons of ethylene per year. There are two steam crackers in ⁠Tiszaujvaros with 660 kt/y ethylene capacity according to MOL’s own website.

MOL uses the majority of its ethylene internally to manufacture polyethylene plastics, which are sold to ​the plastics and packaging industries.

(Reporting by Krisztina ​Than; Editing by Kirsten Donovan)

Copyright 2026 Thomson Reuters.

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