In December 2025, chlorine production in Europe was 629.5 thousand metric tons, a year-on-year decrease of 5.14%. In December 2024, European chlorine production was 663.6 thousand metric tons. For the full year 2025, cumulative chlorine production in Europe was 7,787.4 thousand metric tons, a year-on-year decrease of 3.14%. In 2024, the cumulative production was 8,039.9 thousand metric tons.

In December 2025, the average daily chlorine production in Europe was 20.3 thousand metric tons, showing an increase compared to November's average daily production of 19.6 thousand metric tons. This also represents a year-on-year decrease of 5.14% compared to December 2024, when the average daily production was 21.4 thousand metric tons.

For the year 2025, the average utilization rate of chlor-alkali plant facilities in Europe was 67.6%, which is an increase compared to the utilization rate of 66.9% in the same period of 2024.

In December 2025, caustic soda inventory in Europe was 229.1 thousand metric tons, showing a decrease compared to the inventory of 237.7 thousand metric tons in November 2025. Compared to December 2024, the inventory level increased slightly, as the caustic soda inventory in December 2024 was 226.7 thousand metric tons.