Fire Hazard and Risk Assessment Battery Energy Storage System (BESS)

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Figure 24 – FDS Model
Given the location of the subject facility equipment, Table 8 below summarizes the heat flux received at the different locations (approximate distances) within Elaine BESS.
Table 6: Heat flux results (Red is not acceptable)
Exposed equipment
Distance (m)
Incident Radiation (kW/m2)
Control room
Switchboard rooms
Adjoining transformer within substation Megapacks (the closest)
BESS transformers and switch gear O&M Building and water tanks
No wind (Figure 25)
22.0 < 1.8 22.0 < 1.8 27.0 < 1.8 40.0 < 1.7 40.0 < 1.7
353.0 < 1.7
Wind (Figure 26)
< 1.8 < 7.1 < 5.4 < 1.7 < 1.7 < 1.7
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FHRA 11 21 December 2023
Figure 25: Radiant heat flux intensities without wind