Hong Kong

China
Secretary for the Environment KS Wong, Elected 2012

Case Studies

In 2008, the Chief Executive of the Government of the Hong Kong Special Administrative Region announced their intention to support a low carbon economy. The Buildings Energy Efficiency Ordinance (BEEO) was subsequently legislated as a major government measure for achieving this goal. The BEEO seeks to drive energy efficiency through stringent codes of practice and energy audits, and targets most public and private commercial buildings in Hong Kong, excluding small and historic buildings.

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The Hong Kong Special Administrative Region (HKSAR) Government is implementing Total Water Management (TWM) for the sustainable use of water resources. The TWM programme aims to manage the demand and supply in an integrated, multi-sectoral and sustainable manner. One of the key demand management initiatives of the TWM programme is the promotion of the use of water saving devices. The Government will take a lead to install water-saving devices in its buildings as far as practicable. In this connection, the Water Supplies Department of the HKSAR Government is implementing minor works projects for retrofitting plumbing appurtenance with water saving devices in Government buildings and schools.

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LED Traffic Light Retrofit

November 3, 2011 Hong Kong

Light-emitting diode (LED) traffic lights are more energy-efficient and have a longer lifetime than conventional incandescent traffic lights. By using LED traffic lights in favour of conventional traffic lights, it is estimated that approximately HK$7.6 million of energy charge could be saved per annum. This will reduce CO2 emissions by 5,300 tonnes.

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Combined Heat and Power Generation System

November 3, 2011 Hong Kong

In 2007, Hong Kong began using a 330 kW Combined Heat and Power Generation System (CHP) at the city’s Shek Wu Hui Sewage Treatment Works (SWH STW). This system utilizes the biogas generated by the sewage treatment process as combustion fuel for generating electricity and thermal energy. The system generated about 3 million kWh equivalent electrical power in 2007. This resulted in savings of HK$2.4 million in recurrent costs for electricity and avoided about 2100 tCO2 in emissions.

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