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■香港著名的維港夜景離不開電力的支撐。圖為遊客在香港尖沙咀觀看維港夜景。 資料圖片
政府就未來能源組合展開為期3個月的公眾諮詢。本港和內地融合日益密切，未來本港的能源供應不論採取甚麼方式，都和內地的能源政策密切相關。香港作為一個彈丸之地，從發電成本、土地利用等方面考慮，適度向內地電網買電不僅有利本港環保，而且更符合成本效益。當然，為了進一步提升本港電力供應的保障，可以雙管齊下，既提升天然氣發電的比例，又增加向內地買電的份額。
此次諮詢中，政府就未來能源組合提出兩個方案，一是提高天然氣發電比例，由目前兩成增至六成，兩成以再生能源或燃煤發電，大亞灣核電維持兩成水平；二是由內地南方電網輸入多三成電力，另外四成以天然氣發電，大亞灣核電維持兩成水平，燃煤供電減少至一成，輸入電力佔本港整體電力比例一半。按照方案一，提高天然氣發電比例，需要投資新的發電機組，加上天然氣價格上漲的因素，政府估計整體發電成本將會上升，屆時電費的價格與向內地買電方案相差不大。
香港在歷史和地理上均與內地發展環環相扣，在「一國兩制」下，對於香港有利的事，國家將堅定不移地給予支持。香港電網與內地相連，向內地買電將是大勢所趨。
Suitably purchasing electricity is environment-friendly and more cost effective
The government has launched a three-month public consultation on the future fuel mix for electricity generation in Hong Kong. The link between Hong Kong and the mainland is getting increasingly tight, so no matter what form of fuel mix Hong Kong adopts in future, it will inevitably be closely connected to the energy policy on the mainland. Hong Kong is a tiny place. Taken into consideration factors such as generation cost and land use, suitably purchasing electricity from the mainland power grid not only benefits environmental protection in Hong Kong but also provides better cost effectiveness. Certainly, for the purpose of enhancing power supply assurance, the Hong Kong government can adopt a two-fold strategy where the percentage of power generation by natural gas and also the share of electricity purchase from the mainland can both be increased.
In this public consultation, the government proposes two options for fuel mix in the future. One option is to increase the percentage of power generated by natural gas. The percentage of natural gas power will increase from the current 20% to 60% while renewable energy or coal-fired power will account for 20% and nuclear electricity imported from Daya Bay will remain at 20%. The other option is to purchase more electricity from the Southern China Power Grid on the mainland up to 30%. Natural gas generation will account for the other 40% and nuclear electricity from Daya Bay will be maintained at the level of 20%. Under this option, the percentage of coal-fired power will be reduced to 10% while imported electricity will make up 50% of the total power supply in Hong Kong. According to the first option, the percentage of power generated by natural gas will be increased; so investment needs to be made to install new generating units. Taking into account also the increase of the price of natural gas, the government estimates that the total power generation cost will rise and by then electricity tariff will be more or less the same as that of purchasing electricity from the mainland.
Historically and geographically, Hong Kong is closely connected to the development on the mainland in every aspect. Under 'one-country, two-systems', the motherland will support Hong Kong unfailingly in whatever beneficial to the special administrative region. The Hong Kong power grid is to link up to the mainland and purchasing electricity from the mainland is the unavoidable trend.（節自香港《文匯報》3月20日）■English Translation by Tung-ming
[ tungming23@gmail.com ]
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