This 5-day comprehensive program is designed to provide participants with an in-depth understanding of various energy storage systems, including a particular focus on Battery Energy Storage Systems (BESS). As the demand for renewable energy grows, energy storage systems play an increasingly vital role in ensuring a stable and reliable supply. Through a combination of lectures, case studies, hands-on exercises, and industry insights, participants will gain knowledge on the principles, technologies, applications, and future trends of energy storage systems.