What are the requirements for spacing between solar container devices

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. Meta Description: Discover expert insights on energy storage system container spacing for solar and industrial projects. Learn safety standards, thermal management tips, and how EK SOLAR optimizes global installations. In the IRC, IFC, NFPA 855, and UL 9540, the separation between ESS when installed is defined to be at least 3 ft (914 mm). thin the battery storage equipment, that are within the following criteria: The equipment is intended t able to be installed for household, domestic, residential or simi r use.