Today the attention of whole world is focused on preservation of environment. Non-conventional Energy Sources can provide clean energy? preserving environment? reducing pollution and deforestation. This book discusses the developments in the field of Non-conventional Energy Resources and their applications. The topics are fully covered so that the students of B.Tech. may use for their Elective courses such as Non-conventional Energy Resources? Renewable Energy and Solar Energy Engineering. The topics are: Solar Radiation? Solar Energy Collectors? Energy Resources? Solar Cell? MHD Power Generator? Wind Energy? Biomass? OTEC? Tidal and Wave Energy? Hydrogen Energy? Micro Hydel Power and Storage of Solar Energy.