Borealis completes furnace upgrade at Stenungsund cracker plant

14th July 2023

Borealis announces that a major upgrade of the cracker in Stenungsund has been successfully completed. This investment ensures that the cracker in Stenungsund – which is already one of the most raw material flexible in all of Europe – can operate with even greater reliability and energy efficiency. The Cracker is a major supplier of ethylene and propylene to the chemicals cluster in Stenungsund, OMV Group and Borealis Group's international customers, and the increased reliability is particularly important for the fast-growing Wire & Cable industry.

The Cracker in Stenungsund, which has a capacity of 625 kilotons of ethylene per year, is a plant that thermally "cracks", i.e. decomposes, raw materials such as ethane, naphtha, propane, butane and LPG, into smaller molecules. During the renovation in Stenungsund, four existing furnaces have now been upgraded and refurbished to modern standards for process reliability, reliability and thermal efficiency. The furnaces' production has been increased, which will compensate for the reduction in production that will occur when two older furnaces are completely taken out of operation and shut down at the end of the year.

Each furnace has been dismantled and then replaced with new equipment – one furnace at a time. The project in Stenungsund is characterized by few complications and excellent safety results. Thanks to careful planning and follow-up, no major accidents (personal safety) and no incidents (process safety) have taken place.

"This is a very important investment in our facility in Stenungsund," says Marcus Kierkegaard, Location leader and HC Manager at Borealis in Stenungsund.

"The furnaces are the heart of the cracker plant. Now that we have inaugurated the last upgraded furnace after 7 years, we feel confident in meeting the growing needs of our products in the future and also the demands for flexibility in terms of raw materials.

"Our top priority during the furnace renovation in Stenungsund was to achieve a perfect safety outcome despite the enormous size and scope of the project, and we have achieved this goal," says Wolfram Krenn, Borealis Executive Vice President Operations and Base Chemicals.

"Our upgraded facility brings us closer to realizing our broader energy and climate goals. Thanks to the review, annual CO2 emission reductions amount to around 24,000 tonnes, which is equivalent to the amount emitted by an average of 6,000 households each year. At Borealis, we continue to further develop the basic building blocks of our plastics, to create a more sustainable life.

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