Challenges in Smart Low-temperature District Heating Development

Previous research and development shows that low temperature district heating (LTDH) system is economic feasible for low energy buildings and buildings at sparse areas. Coupling with reduced network temperature and well-designed district heating (DH) networks, LTDH can reduce network heat loss by up to 75% comparing with the current medium temperature district heating system. Further system efficiency improvement can be achieved through a holistic approach which includes measures such as reduced system design margin, enhanced demand side management and improved operation of decentralized heat generations. The realization of such efficiency improvement measures will increase the demand for well functioned monitoring, communication, control and decision support tools and services to coordinate each component in the DH system.

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