The National Conference on Green Energy Technologies for Sustainability(NCGETS) 2025 under UNESCO CHAIR on “Renewable and Clean Energy for Sustainable Development”, organized by the Department of Green Energy Technology, Madanjeet School of Green Energy Technologies, Pondicherry Central University and sponsored by South Asia Foundation(SAF), is designed to deliberate research and technological development in various renewable energy technologies. Experts from various disciplines of renewable energy shall present their research findings and thoughts on the subject matter. Young scientists and scholars will have the opportunity to interact with their peers and present their recent research findings through oral and poster presentations.