Energy has turn into one of the majority critical issues. Energy-efficient designs encompass engage in recreation significance roles for hardware as fine as software implementations. Energy-efficiency can be achieved by adopting the dynamic voltage scaling (DVS) scheme. DVS has been a solution scheme in exploiting to reduce energy dissipation by lowering the supply voltage and operating occurrence. In this dissertation we anticipated diversified approaches on DVS enabled Energy aware Cloud Data centers. DVS has implemented on every approaches with different mechanisms and it provides energy saving and different advantaged features of the system. The scrutiny of research would give the instruction concerning what has been done previously in the same area, what is the in attendance tendency and what are the other related areas, Comparison of algorithms imposed with DVS features under the Cloudsim. The analysis has resultant that the DVS has reduced the power and improve the system utilization.