The Chapter presents the need for Renewable Energy Technologies (RET) in the context of providing a solution for depletion of conventional sources, protection of environment and enhancing the economical situation of a country by way of providing employment opportunities for many people may be as employees in various roles or initiating their own enterprise. The Chapter presents statistics on the change in energy consumption over the past few decades from conventional to renewable energies, the future scenario in view of advancements in technologies and also about the employment status past, present and future. The importance of standards and how modern technologies are enhancing the successful implementation of RET is presented. The role of the public and government and the various financial schemes provided by governments is highlighted. A few modern applications and those under development would enhance the standard of living. The statistics and situation of the various aspects before and after COVID-19 pandemic, and future effects are discussed, for overall benefit of one and all.