Electrical Standard Specifications for Energy Storage Systems
UL 9540, the Standard for Energy Storage Systems and Equipment, is the standard for safety of energy storage systems, which includes electrical, electrochemical, mechanical and other
Energy storage systems continue to be a rapidly evolving industry. Thus, the key to safe and up-to-date compliance requirements involves the adoption and application of codes and standards in addition to the development or writing of codes and standards.
Is one of the four Conformity Assessment Systems administered by the IEC The need for electrical energy storage (EES) will increase significantly over the coming years. With the growing penetration of wind and solar, surplus energy could be captured to help reduce generation costs and increase energy supply.
Since the publication of the first Energy Storage Safety Strategic Plan in 2014, there have been introductions of new technologies, new use cases, and new codes, standards, regulations, and testing methods. Additionally, failures in deployed energy storage systems (ESS) have led to new emergency response best practices.
In some contexts, for energy storage systems, compliance regulations take the form of a state adopting a code, which then references and requires testing and listing or adherence to a standard. Some cities, counties, and special administrative districts (e.g., school or sewer districts) also adopt locally amended codes for their environments.
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