_Subsurface Hydrogen Energy Storage: Current status, Prospects, and Challenges_ presents a comprehensive explanation of the technical challenges and solutions associated with subsurface hydrogen energy storage, including system design, safety measures, and operational efficiency. Supported by real-world case studies, the book analyzes the economic and environmental benefits and drawbacks of subsurface hydrogen energy storage, including a comparative analysis of different forms of energy storage. It brings together the latest research and knowledge on subsurface hydrogen energy storage, including the geological and hydrogeological aspects of hydrogen storage, hydrogen production, storage technologies, and safety and regulatory issues. In addition, it covers the potential applications of subsurface hydrogen storage in various sectors, such as power generation, transportation, and industry. The book also features case studies and current applications, as well as a detailed examination of the technical challenges and solutions associated with subsurface hydrogen energy storage. * Explains the current technologies and techniques for subsurface hydrogen storage, including reservoir engineering, geomechanics, and thermodynamics * Analyzes the potential benefits and challenges of subsurface hydrogen storage, including the role of hydrogen in energy transition and climate change mitigation * Offers case studies of subsurface hydrogen storage projects around the world, including their technical and economic feasibility