Corporate Social Responsibility

Responsible partner

59% of Mersen’s sales are linked to energy transition markets.

The Group proposes innovative, effective, competitive and efficient solutions, which all contribute in some way to the fight against global warming.

LED light sustainable

Expertise and innovation in the service of sustainable development

Mersen enables the performance and reliability of industrial systems and essential infrastructure across a range of areas, from power management and electric vehicles to renewable energies and storage, aerospace and rail. 

Backed by 24 R&D centers worldwide, Mersen partners closely with its customers, providing the best added value whilst accelerating innovation and shortening time-to-market, delivering pragmatic solutions by combining speed and reliability.  

Rooted in a 130-year heritage and guided by a long-term industrial vision, the Group pursues sustainable growth based on responsible practices, while playing a key role in electrification, the climate transition and the resilience of industrial and energy systems.

Share of sales in energy transition markets

  • 59.00 %

    in 2025

  • 65.00 %

    in 2030 (objective)

Paying attention to the social and environmental practices of our suppliers

Mersen’s purchasing charter for a sustainable supply chain formalizes its relationships with suppliers and sets the standard for virtuous collaboration.

It encourages the implementation of best practices – including social and environmental practices – and is accompanied by a CSR questionnaire with a detailed self-assessment grid.

Based on this self-assessments, the Group has assigned a "Supplier CSR" rating with results and related improvement plans.

Under the new 2030 CSR roadmap, the goal is to have less than 5% of suppliers with a rating of less than 40 or lower by 2030.

Compliance with conflict minerals regulations

Mersen is committed to responsible sourcing and does not intend to fuel armed conflict through its purchasing practices or those of its suppliers. The Group ensures that its suppliers and their own suppliers are in compliance with European regulations on minerals from conflict zones and equivalent US legislation (section 1502 of the Dodd-Frank Act).

Third party corruption risk assessment

The Group has established a procedure to assess third-party corruption risk, including suppliers.

Circular Economy

Jean-Philippe FOURNIER, Group Vice President, Operational Excellence mersen

Jean-Philippe Fournier

Group Vice President, Operational Excellence

Limiting the environmental impact also means implementing circular economy principles, one of them being conducting product life-cycle analysis

Circular Economy

Product life cycle analysis

Contribution to reducing the impact of industrial activities at our customers’ sites

The new generation of Eco&Flex Synthesis Unit for the production of liquid HCl limits our customers’ consumption by:

  • 1,785 t CO2 per year
  • Water flow by 80 cu.m. per hour
  • 100 MW per year
Mersen ecoflex india

The semiconductor manufacturing process involves very high temperatures (2400°C). The very high insulating power of Mersen’s insulation felt allows our customers to reduce their energy consumption by 15% compared with a standard product. If all players in the sector were to equip themselves with Mersen insulation felt, the savings could represent 25 GWh per year.

Mersen Isostatic Graphite Block Heat Exchanger

Mersen has designed a product based on the PEP (Product Environmental Profile) process. It helps define the areas offering scope to minimize the product’s environmental impact. The new Modulostar fuse holder will allow the following estimated savings, based on the current production: 22 t of copper per year

Modulostar North American Product Launch Product Block

Publications

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