港推節能5年 用電不減反增

【經濟日報專訊】港府過去5年力推節能減排，包括動用4.5億元公帑資助大廈節能，但全港250萬住宅用電戶的平均用電量不減反增，中電5年升7.6%，港燈亦升2.4%。

除了氣候變暖，專家相信佔住戶每月用電量達一成的電子產品，是耗電增加的「元兇」之一；本報委託的測試發現，港人習慣通宵「充爆電」，全港每月動輒浪費250萬元電費。

作為電子產品擁躉的大學3年級學生馮普賢，道出港人愛通宵充爆電才安心的心態。

馮平日外出至少帶5件電子產品，包括兩部智能手機、一部平板電腦、一部ipod touch及一部流動充電器。他說無論等車或搭車都用智能手機上網，坦言已成為一種依賴。

電子產品需求增 用電亦增

馮說，為確保日間有足夠電池可用，智能手機會通宵充電；其他電子產品，則每星期通宵充電一至兩次。

本報委託港大專家為3大電子產品進行測試（見另文——「iPhone充滿電 仍續食電」

），發現部分產品在電池充滿後，若沒有截斷電源，仍會繼續耗電。

以每晚為iPhone或手提電腦通宵充電8小時為例，每月雖只浪費1度電；但若全港250萬用電戶都這樣做，每晚有一件電子產品通宵充電，每月就浪費250萬度電，以每度電約一元計算，相等於浪費250萬元。

地球之友環境事務經理朱漢強引述美國研究指，09年每個家庭平均有25件電子消費產品，佔家居總用電量15%，較80年代增加3倍；預料20年後，比例將急升3倍。

朱認為，本港正沿着美國同一條路發展，港人對電子產品的需求不斷增加，用電亦愈多。

港大機械工程學系教授梁耀彰估計，港人在冬天時使用電腦、手機和iPad等電子產品，其用電量隨時可佔家居用電10%。

港府06年已帶頭節能，當時更定下目標，政府建築物每年減電用量1.5%；09年又動用4.5億元公帑，資助大廈節能。

用電量中電升7.6% 港燈2.4%

然而，根據環境局及兩電提供過去5年的用電數據，中電住宅用電近年節節上升，由06年平均每戶用3,856度電，增至去年4,149度，升幅達7.6%，即每戶每月平均用電約346度。至於港燈，港島住宅平均用電量，去年雖見回落，但5年累計仍升2.4%，每戶平均用電451度。

環保署回應指，用電量受多個因素影響，包括住户人數、人口增長、整體經濟活動的增長和天氣等。

中電發言人承認，節能有助用電量放緩，但不能輕視生活質素提高會刺激用電量增加；又指一些能源效益做得理想的國家，包括日本、德國、英國及意大利，即使給予用戶很多節能誘因，其用電量都有增加。

港燈則指，過去5年的用電量保持平穩，每年平均有7成住宅用戶用500度電或以下。

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港人節能實錄

個案1︰銅鑼灣翳焗 為女長開冷氣

家住銅鑼灣的馮先生，於年半前女兒出生後，就日夜長開冷氣20小時。

夏天高峰期 月電費2千

馮解釋，客廳沒窗，室內空氣悶熱翳焗，即使室外氣溫僅攝氏25度，也要為女兒開空調：「孩子四處走動易大汗疊細汗，全身濕晒易生病，只要她在家就會有冷氣跟住佢！」女兒出生前，馮與太太很少留在家中，每月電費約400元，現時每日長開冷氣，去年夏天高峰期，四口家每月電費曾高達2,000元。

問到會否為節能減開冷氣，馮慨歎減不了，只可以在其他方面節能，例如電器關機後會拔掉插頭。

---------------------------------

個案2︰環保妻薰陶 青年用電減6成

誰說習慣不能改？有80後青年婚後受太太的節能意識薰陶，終拋開以往方便就手的用電心態，一改多年浪費電力的陋習。兩人組織家庭後的用電量，較青年單身時銳減逾6成。

80後葉先生以往放工回家，第一時間是開電視、電腦等，每經過有燈掣的地方都會順手亮起。他昔日的生活原則是「方便就手」，即使只有三數件髒衣服也會開洗衣機。

但自去年初結婚後，因太太注重環保節能，葉先生開始改變陋習，現時開電腦前，會先衡量是否有實際需要，若只為瀏覽社交網站facebook，索性不開。

夏天又會減開冷氣，為了降溫，他在睡床鋪竹蓆，睡前用風扇吹涼：「若氣溫高至攝氏32至34度，才考慮開冷氣，今年只開了幾次。」

又想諗定加價喇...正pk
依家香港d電,著咗一半係賣比大陸既
以經大把營利收益,年年都有新招話加價
香港好喎~福地喎~

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