Savills identified the following objectives for energy management: -
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To continue to implement energy management in the building.
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To study and analyse savings achieved for electricity consumption on an annual basis.
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To reduce operating and maintenance costs while enhancing the efficiency and reliability of equipment, plant and machinery.
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To study the feasibility of converting the air-conditioning plant from air cooled to water cooled,
Method Statement
In the first instance, Savills analysed the relevant energy consumption data from 1989 to 2003 to identify the relationship between power consumption for different sub-systems such as the air-conditioning and electrical installations in different various zones in the building. The pros and cons of using Maximum Demand and Commercial Tariffs were also explored in 2002.
The next stage of the energy management review was to study the electricity consumption data before and after retrofitting works and following the implementation of some energy saving measures in 2003.
Finally, Savills have maintained a policy to continually review energy consumption and operational procedures annually in conjunction with exploring all new methods of energy saving.
Results
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Savills have succeeded in saving an estimated 8.2 million kWh since the commencement of their energy saving measures in January 2002. Significant savings were made as a result of retrofitting works including replacement of high efficiency condenser coils and the installation of frequency inverters and electronic ballasts in the building. In addition, an energy audit is conducted on an annual basis.
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The ongoing energy saving programme at Lippo Centre was used as a case study and obtained a Silver Award (Commercial Buildings Category) from the Hong Kong Energy Efficiency Awards in 2006 organised by the Electrical and Mechanical Services Department.
Please click the photo to enlarge.
Environmental Policy
As well as energy management, Savills are committed to addressing environmental concerns. In addition to maintaining a used paper recycling scheme and regular collection schemes for other recyclable items, such as books and mooncake tins, Savills actively monitor and improve the environment at Lippo Centre. This approach has been recognised in various areas including certification of Good Class Indoor Air Quality and recognition of Savills' commitment to environmental protection and waste reduction by the Environmental Protection Department as well as Water Quality certification awarded by the Water Services Department.
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