NFPA is keeping pace with the surge in energy storage and solar technology by undertaking initiatives including training, standards development, and research so that various stakeholders can safely
The focus of the following overview is on how the standard applies to electrochemical (battery) energy storage systems in Chapter 9 and specifically on lithium-ion (Li-ion) batteries.
The potential safety issues associated with ESS and lithium-ion bateries may be best understood by examining a case involving a major explosion and fire at an energy storage facility in Arizona in April
Fire Risks of Energy Storage Containers Lithium batteries (e.g., LiFePO4, NMC) may experience thermal runaway under conditions such as overcharging, short-circuiting, mechanical damage, or
A technical overview of energy storage system safety comparing IFC and NFPA 855 requirements, code intent, and key considerations for AHJs and designers.
The Department of Energy Office of Electricity Delivery and Energy Reliability Energy Storage Program would like to acknowledge the external advisory board that contributed to the topic identification,
These established safety standards, like NFPA 855 and UL 9540, ensure that all aspects of an energy storage project are designed, built, and operated with safety as the highest priority.
New provisions address modern safety needs, including mandatory large-scale fire testing, improved guidance on explosion control, and alignment with recent changes to NFPA 1 and the International
Document fire and deflagration hazards. Document thermal runaway progression within the unit, Document if flaming occurs outside the unit, Measure heat and gas generation rates, Measure
This webpage includes information from first responder and industry guidance as well as background information on battery energy storage systems (challenges & fires), BESS installation
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