ENG-2019 — Page 289

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The Environment

HK Electric has a total installed capacity of 3,257 megawatts at its Lamma Power Station. CLP Power receives its electricity supply from the Castle Peak Power Company Limited's power stations at Black Point (2,600MW), Castle Peak (4,108MW) and Penny's Bay (300MW).

Each company owns its respective transmission and distribution systems. The two transmission systems are connected by a cross-harbour link, which provides emergency backup and some sharing of generating capacity reserves between the two systems. The link has a total capacity of 720 megavoltamperes.

CLP Power's transmission system is also connected to the Guangdong electricity network to facilitate its electricity exports and imports to and from the province. The company imports about 70 per cent of the power generated by the Daya Bay nuclear power station, which has two 984MW pressurised water reactors. On top of the 70 per cent, it is importing on a temporary basis another 10 per cent of electricity generated by the Daya Bay station from 2014 to 2023.

The Central People's Government, in a memorandum of understanding signed between the HKSAR Government and the National Energy Administration in 2008, supported the extension of nuclear electricity supply from the Daya Bay station to Hong Kong for another 20 years from 7 May 2014.

CLP Power also has the right to use up to half of the 1,200MW capacity of the Guangzhou Pumped Storage Power Station phase 1 at Conghua. It stores off-peak electricity from Castle Peak Power's stations and the Daya Bay station in the Conghua plant, which generates hydroelectricity to meet Hong Kong's demand during peak periods.

Regulations under the Electricity Ordinance govern the registration of electrical contractors and workers and competent persons, safety of electrical wiring, supply of safe household electrical products and protection of electricity supply lines from third-party damage.

Other Fuels

Town gas and liquefied petroleum gas (LPG) are the main types of fuel gas used for domestic, commercial and industrial purposes. LPG is also used by nearly all taxis and around 80 per cent of public light buses, while natural gas is used for electricity generation and the production of town gas. Hong Kong has 2.3 million gas customers in the domestic, commercial and industrial sectors, of which town gas and LPG respectively accounted for 88 and 12 per cent of the total fuel gas sold in these sectors in terms of heating values in 2019.

Town gas is manufactured at plants in Tai Po and Ma Tau Kok, which have daily throughput capacities of about 10 million and 2.6 million cubic metres respectively. It is channelled to customers via a pipe network of some 3,600km.

LPG is imported into Hong Kong mainly by sea and stored at five terminals in Tsing Yi before being distributed to customers, including 67 LPG filling stations..

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