Basquevolt and Bcare have marked a significant advance in energy storage by completing the development and integration of the first solid‑state cells assembled into a module for stationary use.
The work forms part of the Astra‑CC R&D initiative, led by Iberdrola and backed by the Basque Government’s Hazitek programme.
The two organisations have focused their joint efforts on tackling a central challenge of the energy transition: enabling renewable power to be integrated safely and efficiently into public direct current (DC) grids. Their solid‑state cell is designed to deliver high energy density, improved safety characteristics, and lower system costs – attributes seen as essential for grid stability and the wider roll‑out of Battery Energy Storage Systems (BESS).
Within the Astra‑CC project, Basquevolt and Bcare have taken responsibility for bringing advanced storage technologies into a public DC grid architecture. Key achievements include the development and validation of a solid‑state cell tailored for stationary applications, and its successful incorporation into a working module that demonstrates suitability for large‑scale deployment.
The rapid progress achieved reflects the strength of the collaboration between the two companies. Building on this foundation, they are already extending their work to new BESS applications for data centres, high‑temperature settings, and other priority sectors.
Support from the Basque Government, the European Union, Iberdrola, and the wider ASTRA‑CC consortium has been central to advancing this research.
