Sodium batteries: a strategic opportunity for EU energy independence

Sodium batteries are emerging as an alternative to traditional lithium-ion systems for different strategic sectors. This is why in our opinion we highlight their importance in contributing to EU energy independence and competitiveness in the global market.

Sodium batteries offer not only a more environmentally friendly option but also an opportunity for Europe to create an ecosystem that integrates research, industry, and workforce development. Building this ecosystem demands strong collaboration among stakeholders, including governments, private sector, and research and technology organisations.

To leverage the potential of sodium battery technology, the EU needs to implement supportive measures such as investment subsidies and production tax credits. These financial incentives can boost demand and help scale up production. Our Opinion also calls for more investment in collaborative research and development (R&D), particularly in areas like solid electrolytes and sodium-saltwater systems, with a proposed budget of at least €220 billion.

Furthermore, a sustainable manufacturing of sodium batteries is essential. The production process should prioritise eco-design and recycling from the start, in line with Europe’s Green Deal and Circular Economy Action Plan. This approach will help ensure that sodium batteries make a positive contribution to both the economy and the environment.

As global interest in sodium batteries is growing, we call for a well-planned market entry strategy. Regulatory hurdles must be addressed through simplified permitting processes, especially when existing infrastructure and skills for lithium-ion technology can be used. This will enable the quick creation of production sites and will allow the EU to keep pace with the developments in battery technology on an international scale.

To maximise the impact of sodium battery initiatives, we must prioritise also strong workforce strategies. This includes investing in training programs that address the skills gap and engage local communities, ensuring that the growth of this sector is inclusive and benefits all stakeholders.

Overall, the transition to sodium battery manufacturing presents immense potential for Europe, fostering technological sovereignty, energy independence, and sustainable. Through strategic investments, collaborative ecosystems, and supportive regulation, Europe can become a leader in this industry, paving the way for a greener and more sustainable future.

Paul Rübig, EESC Employers' Group member and Rapporteur of Opinion CCMI/250 Enhancing EU strategic autonomy and developing a greener and bluer economy: the potential of the sodium battery manufacturing sector.