抄録
In order to keep sustainable development in Asia in the 21st century, we have to solve the global environmental problems because of the huge energy consumption with rapid economical growth. One solution is to use new energy and environmental system. For example, co-generation system is one available approach. In this article, we make a District Heating and Cooling (DHC) system together with co-generation system (CGS) to meet the increasing energy demand in the quickly developed area-City Center in Shenzhen city, and evaluate the whole system from the viewpoint of energy saving and environmental protection.