If you are manufacturing, installing, or selling C&I energy storage solutions in the European Union, you must meet strict safety, grid compliance, and environmental standards. Discussions with industry profes ionals indi safety C&S affect the design and installation of ESS. One of the key product standards that covers the full system is the UL9540Stand rd for Safety: Energy. . As cited in the DOE OE ES Program Plan, “Industry requires specifications of standards for characterizing the performance of energy storage under grid conditions and for modeling behavior. Think of certifications as your product's passport to international markets.