Safety of Grid Scale Lithium-ion Battery Energy Storage Systems

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Executive Summary
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June 5, 2021
1. Introduction
2. Leading concerns
3. Thermal runaway (Battery “fires”)
4. Toxic and flammable gas emissions
5. Total energy release potential
6. Applicability of the COMAH (Control of Major Accident Hazard) Regulations 2015
7. Engineering standards for BESS
8. Fire Safety Planning for BESS “fires”
References
Appendix 1: Battery capacity calculations for grid-scale BESS at “Sunnica” Appendix 2: Applicability of the COMAH Regulations to large-scale BESS Appendix 3: Shortcomings of existing engineering standards for large-scale BESS Appendix 4: Fire Safety Planning in the Councils’ Response
Contents