Global deployment of battery energy storage systems (BESS) is accelerating at an unprecedented pace - with world installations projected to expand swiftly in the coming years. While the European Union experienced a sluggish growth in BESS deployment in 2024, it is poised for a bounce back in 2025. However, absent bold and decisive policymaking, the EU risks falling considerably short of the scale required to meet its climate and energy targets, writes Antonio Arruebo, market analyst at Solar ...