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Solvay to reduce CO2 Emissions by 20% at Collonges, France Site

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This project marks a significant milestone in the company’s path to decarbonization and carbon neutrality at yet another European site 

Solvay plans to construct a new electric furnace at its Silica Plant in Collonges, France with operations scheduled to start in 2025. This strategic shift towards clean energy sources anticipates a 20% reduction in CO₂ emissions related to Silica production activities.  

This initiative marks one of the milestones in the plant's roadmap to shift away from fossil fuels towards more environmentally sustainable and economically competitive energy sources. It aligns with Solvay One Planet's overarching objective of achieving carbon neutrality by 2050.

An Nuyttens roundle

"Solvay stands at the global forefront in pioneering highly dispersible silica innovation. With this new investment, we are committed to securing the long-term sustainability and competitiveness  of our Collonges facility, delivering enduring advantages to our valued customers," said An Nuyttens, President of Solvay’s Silica business. "Our Group takes pride in consistently setting new standards for silica producers worldwide. When combined with our circular silica offering, this positions us to provide a unique value proposition to both customers and consumers."

This facility located near Lyon, France, produces silica for market applications such as green tires, battery separators, oral care and animal feed. 

The project has received support from ADEME as part of the France 2030 Recovery Plan. This initiative adds to the 59 energy transition projects confirmed since 2019 across the Group, which altogether represent a reduction of 3.4 Mt of CO2 emissions per year, equivalent to taking nearly 2 million cars off the road.

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Solvay to reduce CO2 Emissions by 20% at Collonges, France Site


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Solvay is a science company whose technologies bring benefits to many aspects of daily life. With more than 22,000 employees in 61 countries, Solvay bonds people, ideas and elements to reinvent progress. The Group seeks to create sustainable shared value for all, notably through its Solvay One Planet roadmap crafted around three pillars: protecting the climate, preserving resources and fostering a better life. The Group’s innovative solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices, health care applications, water and air purification systems. Founded in 1863, Solvay today ranks among the world’s top three companies for the vast majority of its activities and delivered net sales of €13.4 billion in 2022. Solvay is listed on Euronext Brussels and Paris (SOLB). Learn more at