Unsurprisingly, as people install more batteries, they get better at it.
A 99% reduction In failure rate is pretty impressive, all the same.
www.energy-storage.news/global-bess-...
energy-storage.news
Global BESS failure rates declined 99% between 2018 and 2025
Annual BESS failures per-deployed-GWh declined 99% globally between 2018 and 2025, as installed BESS capacity grew exponentially.