This book entitled “Renewable Energy and Green Technology” has been written for the undergraduate students of Agriculture and Agricultural Engineering. The content of the book covers the syllabus of the subject “Renewable Energy Engineering” based on Vth Deans committee syllabus running under different Indian Agricultural universities. Effects of environmental, economical, social, political and technicalfactors have led to the rapid deployment of various sources of renewable energy-based power generation. The incorporation of these generation technologies led to the development of new methods and tools to integrate this new form of generation into the power system network. This book will help students to understand the availability and limitations of different renewable energy sources and will be useful in deciding the application of different renewable energy sources in varied situations