Safety Aspects of Stationary Battery Energy Storage Systems
An in-depth analysis of these incidents provides valuable lessons for improving the safety of BESS. This paper discusses multiple safety layers at the cell, module, and rack levels
Claimed as the first publicly available analysis of battery energy storage system (BESS) failures, the work is largely based on EPRI's BESS Failure Incident Database and looks at the root causes of a number of events inputted to it.
Note that the Stationary Energy Storage Failure Incidents table tracks both utility-scale and C&I system failures. It is instructive to compare the number of failure incidents over time against the deployment of BESS. The graph to the right looks at the failure rate per cumulative deployed capacity, up to 12/31/2024.
A look at the data and literature around Failures and Fires in BESS Systems. The number of fires in Battery Energy Storage Systems (BESS) is decreasing .
The focus of the database is on lithium ion technologies, but other battery technology failure incidents are included. Failure incident: An occurrence caused by a BESS system or component failure which resulted in increased safety risk. For lithium ion BESS, this is typically a thermal risk such as fire or explosion.
PDF version includes complete article with source references. Suitable for printing and offline reading.
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