本研究以UNFCCC公告之垃圾掩埋沼氣發電方法學AM0003及AM0010,評估台北市山豬窟衛生掩埋場進行沼氣發電CDM計畫,評估結果發現:(1) 折現率對NPV值的敏感性低,然而,效率調整因子則對NPV值具敏感性;(2) 以方法學AM0003及AM0010評估,政府補貼發電量之損益平衡的CERs價格介於4-6美元/CERs;而在政府補貼發電量之損益平衡的CERs價格介於6-9美元/CERs;(3) 兩種方法學評結果略有差異,且方法學AM0010評估之減碳效益較低,需要較高的CERs價格才可獲得收支平衡;(4) 無論政府有無補貼發電量,納入減碳效益,均可大幅提高其經濟效益,有利於垃圾掩埋沼氣發電之投資誘因;(5) 引進沼氣發電CDM計畫,可以降低政府補貼,有助於減緩政府的財政負擔,具有「雙贏策略」(win win strategy)。
This study use AM0003 and AM0010 methodologies which have been registered in UNFCCC, to evaluate both economic and environmental benefit of the Taipei City Shanzhu Cave sanitary landfills gas field power generation CDM project. Analytical results are as follows: (1)The sensitivity of efficiency of adjustment factor is better and discount rate in NPV value;(2)the break even CERs price valuation of AM0003 and AM0010 is around US$4-6/tCERs in government subsidy case, in other case (government not subsidy), the break even CERs price is around US$6-9 /tCERs;(3)Two assessment methods come to a slightly different results, and the effectiveness of AM0010 assessment has the lower carbon reduction, and it needs a higher CERs prices to make the budget balanced;(4)Whether there is regardless of the government does subsidize the generating capacity, it brings into line with reduces the carbon benefit, may largely enhance its economic efficiency, is advantageous (a incentive) for the investment in landfill gas power generation; (5)The introduction of biogas power generation CDM project, may reduce the government subsidy, and is helpful to reduce the financial burden of government, it would be a "win-win strategy".
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