Book entitled "Simulating Solar Energy Systems: A Practical Guide to Solar Energy and Simulation Software" is uniquely designed to cater to the needs of a diverse audience, including engineers, faculties and students, researchers, scientists, entrepreneurs, MNRE channel partners, consultants, and business owners. The book aims to offer a practical approach, to effectively provide a comprehensive guide to solar energy, covering everything from the science of how solar panels work to the policies that govern the industry. It is made to provide practical approach with the help of different type of info graphics. Careful thoughts have gone into the presentation of the entries in terms of site analysis, system design, losses and simulation. The entries in the book have been meticulously crafted, with due consideration given to the case studies and statistical data.