Large-scale energy storage system: safety and risk assessment
This work describes an improved risk assessment approach for analyzing safety designs in the battery energy storage system incorporated in large-scale solar to improve accident prevention
Apart from Li-ion battery chemistry, there are several potential chemistries that can be used for stationary grid energy storage applications. A discussion on the chemistry and potential risks will be provided.
Stationary battery energy storage systems (BESS) have been developed for a variety of uses, facilitating the integration of renewables and the energy transition. Over the last decade, the installed base of BESSs has grown considerably, following an increasing trend in the number of BESS failure incidents.
Here, we summarize various aspects and present mitigation strategies tailored to stationary BESS. Although some residual risks always present with Li-io batteries, BESS can be made safe by applying design principles, safety measures, protection, and appropriate components.
UL standards: The UL is a US-based organization that is fully authorized by the Occupational Safety and Health Administration (OSHA) to develop safety standards. Some of its standards are fundamental to BESS and are widely recognized in the sector . UL 1973, UL 1642, and UL 9540A are often requested for battery-level safety.
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