In Section 15.5 of NFPA 855, we learn that individual ESS units shall be separated from each other by a minimum of three feet unless smaller separation distances are documented to be adequate and approved by the authority having jurisdiction (AHJ) based on large-scale fire testing.
[pdf] The PV containerized substation is a pre-Prefabricated booster substation integrating a low-voltage switchgear system, a high-voltage switchgear system, transformers, and auxiliary equipment. It collects and boosts power from multiple solar photovoltaic arrays and transmits it to the grid.
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