The research and development on energy harvesting and energy storage methodology are growing very rapidly. Hence, a summary of recent advances in energy harvesting and energy storage methodology is needed. This reprint discusses the recent developments in energy harvesting and energy storage systems. Sustainable development systems are based on three pillars: economic development, environmental stewardship, and social equity. One of the guiding principles for finding the balance between these pillars is to limit the use of non-renewable energy sources.