Energy storage is usually remarked because the "holy grail" of energy. It is regularly touted as a solution to repair our aging electrical grid, a critical tool to increase the spread of renewable energy, and a bridge between the needs of utilities and their customers. The fact is, grid-connected energy storage is not a new concept and is commercially available today as a valuable tool for reducing electricity bills, making facilities resilient, and generating revenue. Because energy storage solutions can be installed at many points on the network, there are already tens of thousands of network-attached storage systems installed in facilities around the world. But what is energy storage and how can it be used today in facilities across the country? Currently, there are more than 150,000 megawatts of storage systems installed around the world. Energy storage can refer to a wide range of technologies and approaches to managing energy. There are a series of relevant techn...