Industry

Applications: Battery Energy Storage Systems (BESS)

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Electric Power Research Institute

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Major Declines In Rate Of BESS Safety Incidents NUMBER OF INCIDENTS BY YEAR

A May 2024 report from Electric Power Research Institute (EPRI) performed the most comprehensive analysis of operational incidents in operational BESS projects An incident was defined as: “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.” 5 registered events occurred in 2024 (3 in US, 1 JPN, 1 SGP) The incidents highlight the importance of effective fire suppression systems designed Effective emergency response plans are crucial to mitigate the risks associated with BESS incidents, these include:

Evacuation procedures

Air quality monitoring

Public safety measures

GW installed grows, incidents decrease: As the total installed BESS capacity has grown exponentially, the number of incidents remain constant or drop Incidents by GW at its lowest: A rate of is reflected in the incident by installed GW ration which is at its lowest since 2016 (0.03 incidents/GW installed)

Source: BNEF, EPRI, EPRI Wiki, Data for installed BESS capacity: 2016 to 2023 KEARNY, Electricity storage A booming sector of technology September 2024; 2024:Energy Storage News

Extracted from the PDF; charts and images may read imperfectly.