Green ENS had been established based on the ICT, energy and environment technology in 2010. In line with the spread of renewable energy around the world and the trends of low-carbon generation field, the Green ENS shares the company's vision in a new paradigm of power systems such as energy grid monitoring solution and particulates matter monitoring solutions with data science methodology. The ICT business part conducting a network construction of public offices, institutions and various international events as a large scale network design and construction ability. The energy business part conducts electrical power measurement device manufacturing and supplying a power system monitoring solutions to the electrical utilities and power company. The environment business part conducts a carbon emission trading related development project and energy efficiency product supplying business with public power companies. The Green ENS will contribute to better energy & environment technology improving continuously.