This book presents selected papers from the International Conference on Advances in Sustainable Solutions for Energy Transitions (ASSET 2025), organized by the School of Energy Science and Engineering at the Indian Institute of Technology (IIT) Guwahati, India, from January 2-4, 2025. The chapters address major developments in the field of Sustainable energy generation, spanning Solar, Wind, Hydro, Hydrogen, and Fuel cell technologies, featuring global research with real-world applications.

This volume highlights the recent progress in energy forecasting, hybrid systems, advanced storage technologies, and clean fuel innovations. It also places strong emphasis on the emerging domains, such as green hydrogen, electric mobility, net-zero pathways, and strategies toward a carbon-neutral future. This book will be especially valuable for researchers, postgraduate students, industry practitioners, policy makers, technology developers, and academic institutions involved in renewable energy and sustainability, energy system design, clean technology deployment, and transition planning.