20 Years of Battery Energy Storage in Europe: From Labs to Grid Dominance

In 2005, a 5MW lithium-ion battery system in Germany lasted barely 2 hours during peak shaving tests. Fast forward to 2025, Europe's grid-scale storage projects now routinely deliver 4-hour discharge cycles at 94% efficiency. This 20-year evolution didn't happen by accident—it's the result of policy tailwinds, tech leaps, and market desperation to integrate volatile renewables. [2024-07-17 13:33]