This Interpretation of Regulations (IR) clarifies specific code requirements relating to battery energy storage systems (BESS) consisting of prefabricated modular structures not on or inside a building for structural safety and fire life safety reviews. . ts and explanatory text on energy storage systems (ESS) safety. This will change with the 2027 IFC, which will follow th. . However, the rise in the number of ESS installations requires the need for a heightened understanding of the hazards involved and more extensive measures to reduce the risks. Renewable energies such as solar panels or wind turbines only produce electricity when the sun is out or the wind is. . Document fire and deflagration hazards. Document thermal runaway progression within the unit, Document if flaming occurs outside the unit, Measure heat and gas generation rates, Measure surface temperatures and heat fluxes in target units, Measure surface temperatures and heat fluxes on walls. . EPA has developed comprehensive guidance to help communities safely plan for installation and operation of BESS facilities as well as recommendations for incident response. This webpage includes information from first responder and industry guidance as well as background information on battery. . NFPA is keeping pace with the surge in energy storage and solar technology by undertaking initiatives including training, standards development, and research so that various stakeholders can safely embrace renewable energy sources and respond if potential new hazards arise. Addressing these challenges is made even more. .