Energy storage deployments in emerging markets worldwide are expected to grow over 40% annually in the coming decade, adding approximately 80 GW of new storage capacity to the estimated 2 GW existing today. This report will provide an overview of energy storage developments in emerging markets along with details on the services ESSs can provide at the utility-scale, in buildings, and in remote power systems. Key trends and barriers for the technology in emerging markets will also be explored in depth. Finally, case studies are included to highlight successful projects around the world that demonstrate both the challenges and potential for energy storage in emerging markets.