再生能源發展方案之社會成本效益分析

為因應國內能源供應高度依賴進口，以及全球為緩和氣候變遷而管制二氧化碳等溫室氣體的趨勢，我國於民國87年召開「全國能源會議」，擬定我國兼顧經濟發展、能源供應及環境保護的能源政策。此次會議的結論及擬採行措施中，以能源多元化的作法，提出我國未來2020年能源結構及電力裝置容量配比目標，其中希望推廣再生能源使用占總能源供應的比重，至2020年為1%至3%。

The objectives of this paper are: (1) to evaluate the effect of various renewable energy promotion schemes on electricity price as well as prices and output growth by sector during 2003-2020; and (2) to conduct a social cost-benefit analysis on the above renewable energy promotion schemes. Policy recommendations will be drawn from the findings. For this policy evaluation, a Dynamic General Equilibrium Model of Taiwan (DGEMT) is employed.
Our conclusions are as follows: The two renewable energy promotion schemes, i.e., the original scheme proposed by the Energy Commission and its slightly modified version, constitute the best option for adoption by the government. They are likely to have the minimum impact on electricity price as well as prices and output growth by sector, while offering the highest net social benefit among the various renewable energy promotion schemes.