The 2026 edition of NFPA 855, Standard for the Installation of Stationary Energy Storage Systems, contains many new changes, including broader use of Hazard Mitigation Analysis (HMA) and new provisions addressing large-scale fire testing, emergency response planning, fire. The 2026 edition of NFPA 855, Standard for the Installation of Stationary Energy Storage Systems, contains many new changes, including broader use of Hazard Mitigation Analysis (HMA) and new provisions addressing large-scale fire testing, emergency response planning, fire. The 2026 edition of NFPA 855: Standard for the Installation of Stationary Energy Storage Systems has now been released, continuing the rapid evolution of safety requirements for battery energy storage systems (BESS). Their efforts are crucial for ensuring that advancements in battery technology proceed with the necessary safety measures to protect lives and property. The NFSA's Engineering and Standards (E&S). The US National Fire Protection Association (NFPA) has launched the newest edition of its cornerstone battery storage safety standard, NFPA 855. NFPA 855: Standard for the Installation of Stationary Energy Storage Systems (ESS), produced in updated form on a three-year cycle, provides minimum. The standard offers comprehensive criteria for the fire protection of energy storage system (ESS) installations based on the technology used, the setting where the technology is being installed, the size and separation of ESS installations, and the fire suppression and control systems in place. It covers requirements such as battery and fault.