Worley has been awarded a contract by Preem for Front-End Engineering Design (FEED) verification for the planned conversion of the ICR plant at the Lysekil refinery in Sweden. The project aims to transform the plant from conventional diesel production to the production of renewable diesel and sustainable aviation fuel (SAF/biojet).

The FEED verification is scheduled to begin in August 2025, and the contract includes a roll over into the Engineering, Procurement, and Construction Management (EPCm) phase, anticipated to start in early 2026, pending Preem’s final investment decision.

Currently focused on traditional diesel, the Lysekil plant will, through this project, help position Preem as the largest producer of renewable aviation fuel in Northern Europe, while also becoming one of the region’s leading producers of renewable fuels for road transportation.

Worley will lead the FEED verification from its office in Sweden, supported by expertise from across the global Worley network.

The scope of work includes the complete conversion of the existing ICR unit – a refinery processing unit traditionally used to produce lighter, high-value products from hydrocarbons. At Lysekil, the unit will be repurposed to produce renewable fuels based on vegetable and animal oils/fat, marking a significant step away from fossil-based production.

“This award marks a significant stepping-stone for our operations in Sweden and the Nordics,” said Jan Narvestad, SVP, Worley Nordics. “The scale and ambition of this project highlight how Worley can actively contribute to driving sustainable change in close partnership with our customers.”

Preem estimates the refinery conversion could reduce annual emissions by 2–3 million tonnes of CO2e at the end-user level, and by approximately 200,000 tonnes of CO2e annually at the refinery itself.

About Worley

About Worley: Worley is a leading global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We’re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now.

Worley Limited is headquartered in Australia and listed on the Australian Securities Exchange (ASX:WOR).

About Preem

Preem's production takes place at our two refineries on the west coast of Sweden, one in Gothenburg and one in Lysekil. Both are among Europe's most modern refineries. The transition from fossil fuels to more renewables is ongoing at each refinery.