The World Conference on Renewable Energy and Sustainable Energy (WCRESE-2027) will be held from March 18–20, 2027, in Osaka, Japan. This international event will bring together researchers, scientists, academicians, industry professionals, policymakers, and students to exchange knowledge and discuss the latest developments in renewable energy technologies and sustainable energy solutions. The conference will feature keynote presentations, technical sessions, panel discussions, poster presentations, and networking opportunities covering topics such as solar energy, wind power, bioenergy, hydrogen technologies, energy storage, smart grids, electric mobility, carbon reduction, and energy policy. WCRESE-2027 aims to encourage collaboration between academia, industry, and government organizations while promoting innovative research and practical applications that support the global transition toward clean and sustainable energy systems. Participants will gain valuable insights into emerging technologies, current challenges, and future opportunities while building international partnerships that contribute to advancing renewable energy and achieving long-term environmental and economic sustainability.