Assessing the impact of updates to UL 1973 for stationary energy storage systems


One of the main standards adopted for stationary energy storage systems (ESS) is UL 1973 (Batteries for Use in Stationary and Motive Auxiliary Power Applications).

This critical standard for manufacturers has recently been updated to its 3rd Edition, dated 2022. The scope of this standard includes cells, battery modules, battery pack/rack, and the battery management system.

This session will discuss updates to the standard and highlight requirements important to manufacturers for their battery systems. We will also briefly address the various functional safety requirements in this standard for safety critical controls.

Armed with this knowledge, energy storage system manufacturers will be able to address applicable testing and certification requirements early in the process, streamlining deployments and commissioning.

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