The increasing energy demand due to growing global population and the critical relationship between Energy, environment and sustainability lead to novel discoveries and advancement in the field of Energy Materials in search of alternative resources. The prime requirement to transform feedstock into suitable energy sources is the catalyst for better solar cells and energy storage materials. Energy Materials is making ground breaking developments in the science of materials innovation and production. At present, novel materials are technologically advanced for energy storage and generation. The transformation of Conventional fossil fuel to renewable and sustainable energy sources due to the geophysical and social stress results in the development of Advanced Energy Materials to support emerging technologies. The emerging materials for energy associated application are photovoltaic, fuel cells, nanostructured materials, light sources etc. The international EaaS (Energy as a service market) value is likely to be USD 1,116.5 million in 2018 and is estimated to reach USD 7,336.1 million by 2023 at a growing (CAGR) rate of 45.72% from 2018 to 2023. The foremost drivers are growing energy consumption, price instability and emerging potential of renewable energy resources