Why did Dow idle and then restart its Terneuzen ethylene cracker, and what was the stated reason for the timing of the restart?

Dow idled the LCH3 steam cracker in Terneuzen in June 2025 due to weakened market conditions, which led to the postponement of a planned maintenance turnaround; it restarted the unit on June 9, 2025, because 'market conditions supported a return to operations', as confirmed in Dow's official statement. The company had previously announced in January 2024 that it would keep the plant idled 'until market dynamics improve'.

What are the nameplate capacities of ethylene and propylene production at Dow’s restarted Terneuzen cracker?

The restarted LCH3 steam cracker at Dow’s Terneuzen site has a nameplate ethylene capacity of 680,000 metric tons per year and a propylene capacity of 286,000 metric tons per year, according to the news body.

Dow restarts Terneuzen cracker in Netherlands

Jun 10, 2026

Dow Inc. resumed operations at its Terneuzen steam cracker in the Netherlands after idling the asset since June 2025 due to weak market conditions. The restart comes amid ample supply and declining European ethylene spot prices.

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