Energy harvesting technology is based on the concept of harnessing ambient energy to generate electric power. Harvesting energy for low-power devices is gaining momentum as it holds the potential to address challenges associated with battery technology for myriad applications. Harvesting energy on a small scale has been of immense interest for various developers focussing on applications, such as wireless light switches, wireless sensor nodes, implant devices, and variable traffic signs. The research service captures innovations in energy harvesting technologies that enable efficient management of power requirements for different applications.