Coordination of multiple grid energy storage systems that vary in size and technology while interfacing with markets, utilities, and customers (see Figure 1) Therefore, energy management systems (EMSs) are often used to monitor and optimally control each energy storage system, as well. Coordination of multiple grid energy storage systems that vary in size and technology while interfacing with markets, utilities, and customers (see Figure 1) Therefore, energy management systems (EMSs) are often used to monitor and optimally control each energy storage system, as well. Energy management systems (EMSs) are required to utilize energy storage effectively and safely as a flexible grid asset that can provide multiple grid services. An EMS needs to be able to accommodate a variety of use cases and regulatory environments. Introduction Energy storage applications can. By definition, an Energy Management System (EMS) is a technology platform that optimises the use and operation of energy-related assets and processes. In the context of Battery Energy Storage Systems (BESS) an EMS plays a pivotal role; It manages the charging and discharging of the battery storage. The U. power system is undergoing a period of rapid operational change, driven by rising electricity demand, increasingly complex market conditions, and the growing role of storage in daily grid operations. One truth stands out from every. by an agency of the U.