Repsol approaches startup of two 300,000 mt/year polyolefin plants in Portugal

Repsol is approaching the startup of two polyolefin plants at its Sines refining and chemicals complex in Portugal, each with capacity of 300,000 mt per year for LLDPE and PP respectively. The plants were originally due to start up in 2025. Repsol reported a narrower chemical margin in the third quarter of 2026 after a surge in the second quarter.

Why this mattersAn added 600,000 mt/year of European LLDPE and PP capacity, once live, adds to resin supply that converters of flexible and rigid packaging buy as feedstock.

• Repsol is nearing startup of two polyolefin plants at its Sines site in Portugal.
• Each plant has capacity of 300,000 mt/year, one for LLDPE and one for PP.
• The plants were originally scheduled to start up in 2025.
• Repsol's chemical margin narrowed in the third quarter of 2026 after a surge in the second quarter.

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