In January 2026, the European chlorine production reached 637,100 tonnes. With 20,552 tonnes, the January 2026 average daily production was 1.2% higher than in the previous month (December 2025: 20,308 tonnes) but 12.0% lower than in January 2025 (23,357 tonnes).

With 216,029 tonnes, the January 2026 caustic soda stocks were 5.7% lower than in the previous month (December 2025: 229,110 tonnes) and 28,888 tonnes below the level of January 2025 (244,917 tonnes).

The following tables give the details of chlorine production and caustic soda stocks in the EU-27 countries plus Norway, Switzerland, and the UK January 2026.

Chlorine production & capacity utilisation - EU 27 + Norway/Switzerland/UK

Caustic Soda stocks (tonnes)

For more information please contact:
Dr Richy Mariner, Director, Euro Chlor, rma@cefic.be 

About Euro Chlor
Euro Chlor represents 38 member companies producing chlorine at 61 manufacturing locations in 19 countries.

Note to editors:
Some of the totals for each month may vary slightly compared with figures used earlier. Please rely on the most recent information since it sometimes happens that we have to estimate when a producer is late in providing data. This is subsequently adjusted when the actual figure becomes available.