Pumped Storage Projects (PSP) are becoming more crucial in providing peak power and preserving system stability in the power systems of many countries, even though numerous types of energy storage systems have been constructed globally. Pumped storage technique is the time-tested, financially viable, highly effective. Along with this, it is important to consider the timely completion of PSPs for making the project financially viable.
This paper covers various technological advancements and innovative concepts of PSP around the globe. Paper covers the global scenario of PSP to understand the status of capacity addition and various measures undertaken by the countries for development of PSP. The knowledge gained from this paper will guide the reader in evaluating and understanding key issues and challenges for development of PSP.