Abstract: In this paper we have devised an approach to convert gravitational pull of Earth (or any other planetary object) into a useful form of energy (mainly electricity). The main concept is based on drilling the Earth’s surface at corner (not at center) and passing a rod through the hole causing a to and fro motion of the rod which could then be converted into some useful form of energy. This concept is not limited to Earth only we can implement this prototype in other astronomical bodies (like Moon, Venus) as well having some gravitational force of its own.

Keywords: Astronomical Bodies, Kinetic Energy, Gravitational force, Potential Difference.