In late September 2026, Westlake Chemical announced the permanent closure of its 165,000-tonne/year PVC plant in Cologne, Germany, with production to cease in the first quarter of 2027. The company will incur approximately $205 million in pre-tax charges, affecting about 120 employees. The Cologne plant has higher operating costs than Westlake’s other PVC facilities in Europe due to its smaller scale and heavier logistics burden. The company will continue to serve customers through its low-cost German plants, including the newly acquired 380,000-tonne-class facility in Wilhelmshaven. This is a surgical contraction of Westlake’s European vinyl chloride asset portfolio.
I. Closure Decision: $205 Million to Buy Out a High-Cost Node
In an official announcement on September 29, Westlake Chemical announced that its German subsidiary Vinnolit will close the PVC plant in Cologne-Merkenich. The closure will result in total pre-tax charges of approximately $205 million, including about $100 million in cash restructuring expenses and about $105 million in non-cash fixed asset impairments. Approximately $110 million is expected to be recognized in 2026, with the remainder recorded in 2027.
The Cologne plant has a PVC production capacity of approximately 165,000 tonnes per year and involves about 120 local employees. Westlake initiated consultations with the local works council on September 29 and notified affected employees.
Company President and CEO Jean-Marc Gilson stated in the announcement in a restrained manner: “Given the continued severe market challenges facing the global chemical industry, we have made the difficult decision to cease operations at the Cologne PVC plant as part of our ongoing efforts to optimize our business operations. We will continue to supply PVC to customers through our other German plants.”
II. Why Cologne Was Westlake’s Sacrificial Lamb: Triple Disadvantages of Scale, Logistics, and Cost
Westlake operates multiple PVC production sites in Europe. Cologne was selected for closure, with the official reason being: smaller scale, heavier logistics burden, and higher operating costs than the company’s other PVC production sites in Europe.
The Cologne plant’s capacity ranks at the bottom of Westlake’s European PVC asset portfolio. By comparison, Westlake completed the acquisition of the Wilhelmshaven site in June 2026, which has a PVC production capacity of 380,000 tonnes per year—2.3 times that of Cologne—and is located on the coast with deep-water berths and integrated VCM supply conditions. Compared with this business, the Cologne plant is clearly less competitive.
Cologne is located in an inland industrial belt, with some raw materials relying on cross-regional rail tank cars and tank trucks. The Wilhelmshaven site, by contrast, has its own dock berths, and chlorine and ethylene can be supplied directly through closed park pipelines, systematically eliminating intermediate storage and transport losses and hazardous goods road transport costs.
From Westlake’s perspective, after adding 380,000 tonnes of low-cost capacity in Wilhelmshaven, the economic rationale for retaining Cologne’s 165,000 tonnes of high-cost capacity has disappeared.
III. Price Benchmark: €895/t Spot Price Cannot Cover Cologne’s Cost
In late September, the Northwest Europe PVC FD spot price was €895 per tonne, which can no longer cover Cologne’s cost structure.
The Cologne plant’s old electrolyzers have a DC power consumption of 2,300 to 2,450 kWh per tonne. After adding rectification, chlorine water treatment, and utilities, the plant’s overall comprehensive power consumption exceeds 2,800 kWh per tonne. With European industrial electricity prices长期处于 €80 to €100 per MWh, electricity alone accounts for more than 60% of chlorine production costs.
Westlake also disclosed broader financial pressures in its announcement: in the third quarter of 2026, North American PVC and polyethylene average prices were lower than in the second quarter. The Residential & Infrastructure segment also faces higher freight costs due to rising diesel prices, as well as slowing housing activity caused by rising interest rates. The company expects Q3 financial performance to decline sequentially. The Cologne closure is a concentrated optimization of its European vinyl chloride business under this performance pressure.
IV. Westlake’s Remaining Assets After European Vinyl Chloride Footprint Shrinks
After the Cologne closure, Westlake’s PVC production in Europe will be concentrated in other low-cost sites in Germany. The company explicitly stated in its announcement that it will continue to serve customers through “retained, lower-cost PVC production facilities in Germany,” specifically naming the recently acquired Wilhelmshaven site.
Westlake’s Vinnolit subsidiary originally operated six production sites in Europe: Burghausen, Gendorf, Knapsack, Cologne, Schkopau, and Hillhouse in the UK. After the Cologne closure, the remaining German PVC capacity will be concentrated in the integrated Burghausen/Gendorf site and the Knapsack site, as well as the newly acquired Wilhelmshaven site.
V. Market Context of the Cologne Closure: A Supplementary Footnote
When Westlake made this decision, the European PVC market was at a convergence of multiple pressures. Just weeks before the Cologne closure announcement, the European Commission launched an anti-dumping investigation into PVC imports from China, South Korea, Taiwan, and Mexico. The competitiveness of Asian supply in the European market continues to rise, further squeezing the survival space of local high-cost plants.
However, this market background is an external condition for the Cologne closure, not the main logic behind Westlake’s decision. The direct driver of Westlake’s closure of Cologne comes from a comparative analysis of its own asset portfolio: with 380,000 tonnes of low-cost capacity already secured in Wilhelmshaven, there is no financial rationale for continuing to operate Cologne’s 165,000 tonnes of high-cost capacity.
Through this swap, Westlake has retained a leaner European vinyl chloride platform entirely concentrated in low-cost sites. The $205 million charge is the financial consideration for this swap.