Gridmerge are experts in Smart Grid Communications and Security. We have been involved in Smart Grid Communications and Security for a number of years now, specialising in wireless Home Area Networking development. We have participated in the development of the following specifications: IEEE 802.15.4-2006 ZigBee and ZigBee PRO ZigBee Smart Energy ZigBee IP, incorporating IETF 6LoWPAN, PANA and RPL We also have experience in developing embedded implementations of the ZigBee stack and ZigBee IP stack and have experience in the IEEE 802.11 and Bluetooth standards.