Sustainable energy is the norm today. People are looking towards tangible ways in order to reduce power consumption. Solar energy is one such way that remains untapped by public for a considerably long period of time. However, there are a few who understands the benefits of energy from the sun. Solar panels are one such example for the wise use of sun’s energy potential. It has been concluded by scientists that the sun has vast quantity of energy that remains untapped. Several states countries have come with their first solar energy plants that provide energy for several people. Today, there are several things in the market that works through PV or photovoltaic conversion. According to scientists, a miniscule amount of energy from the sun can provide energy for the whole of earth for several billion years. As a result of this finding, technology is trying to develop products that make use of solar cell for tapping energy. Solar water heater is one such invention.