Battery Energy Storage Systems (BESS) are key to integrating variable renewable energy sources like solar and wind. This report examines the factors influencing BESS investments in Germany, the UK, France, Spain, Italy, and the Netherlands. . Though the battery energy storage revolution continued to unfold across Europe in 2024, setting yet another annual installation record, we also witnessed a substantial slowdown in market growth. While we anticipate demand to regain momentum in 2025, much will depend on policymakers implementing the. . The Battery Storage Europe Platform brings together industry leaders representing the battery storage value chain to advance the business case and regulatory frameworks for battery storage across the EU.