For the past decade, industry, utilities, regulators, and the U.S. Department of Energy (DOE) have viewed energy storage as an. Gaps in C&S development can lead to a variety of impacts. & Poorly written requirements can lead to unenforceable code. For example, a technical requirement written to say, Shall have thermal runaway mitigation could ap- “ ” pear in an installation. Segments of C&S development activities can be grouped broadly under the areas of Performance, Reliability, and Safety. These activity areas map to the major stakeholder groups. Filling gaps in energy storage C&S presents several chal-lenges, including (1) the variety of technologies that are used for creating ESSs,.