Abstract: In this paper we are going to develop of a new energy efficient communication scheme for wireless sensor network (WSN) which is based on the gray code technique. Gray code technique simultaneously saves energy at both the transmitter as well as receiver because time required for the transmission of is minimum. Wireless sensor networks typically require low cost devices and low power operations. We propose a new energy efficient communication scheme for wireless sensor networks that is based on the ternary number system encoding of data.0 and 1 bit values are known as energy based transmission scheme. In wireless sensor network it is very difficult to charge or replace the usable batteries. So, to maximize node or network life span is very important. Thus energy efficient communication is main objective of WSN. This energy efficient communication technique can be used in many sectors such as remote healthcare, wireless sensor network for agricultures, industrial process