Due to the current energy situation, energy management in the home is growing ever more important. HEMS technology can contribute to reduced power consumption and a lighter environmental burden by making power utilization more efficient, while at the same time enhancing livability and convenience and raising the quality of life. Murata offers environment sensing devices, wireless communication modules, and proprietary energy management systems, covering the various elements that compose a HEMS (energy-related devices, systems for managing devices, and communication linking devices and systems), and contributing to the further development of HEMS technology.