Sejong Zero-Energy Smart City DevelopmentThe National Agency for Administrative City Construction (NAACC)
With the Paris Agreement on climate change, the looming Fourth Industrial Revolution, and other changes in the background, discourse on urban planning is changing rapidly. Zero-energy goals and the smart city, for example, are immediate challenges faced by urban planners.
“Happy City  Zero-Energy Town (5-1 Community Zone )” is an environmentally sustainable urban model in which energy consumed is equal to energy produced. This equilibrium can be achieved through a synergetic relationship between new and renewable energy technologies on one hand, and information and communication technologies (ICT), such as smart grids, on the other.
In a net zero-energy city, the energy needed for buildings—for heating, air-conditioning, hot water, ventilation, and lighting, for example—is supplied by new and renewable energy produced locally. At the same time, the city energy grid is connected to an external grid. Any surplus energy produced is absorbed by the external grid while any shortage is supplemented by it. The idea is to make the net give and take of the energy a zero at the end of each year.
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