Sustainable Urban Cooling Solution in Hong Kong

The large scale centralized air-conditioning system utilizes seawater as a cooling medium to produce chilled water to consumer buildings in the Kai Tak Development through underground water piping network.
kai tak district cooling system

A more energy efficient cooling solution 

Veolia has designed, built and operated Hong Kong's first District Cooling System to provide the new development area of Kai Tak with an energy efficient air-conditioning system.

The facility uses seawater as a cooling medium to produce chilled water to consumer buildings in the Kai Tak District, replacing traditional decentralised air-conditioning systems in the consumer buildings. Chilled water travels through an underground water distribution network to provide green cooling to an non-domestic air-conditioning area spanning 1.7 million m2 and consisting of offices, schools, MTR stations, shopping mall, hospital and Cruise Terminal.

kai tak map

Area Served
1.73 million m2

of non-domestic air-conditioned floor area

Cooling Capacity
284MW

 

Underground chilled water pipe network

40 km 
 

 Electricity saved
85 million kWh per year

 

White water

Key Figures

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