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題名 | 市場環境下保有合理發電容量準備之作法 |
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作者 | 徐守正; | 書刊名 | 能源季刊 |
卷期 | 36:3 民95.07 |
頁次 | 頁29-43 |
分類號 | 575.16 |
關鍵詞 | 電力系統; 電力市場; 備用容量; 備轉容量; 可靠度; 容量機制; Power system; Electricity market; Planning reserve; Operating reserve; Reliability; Capacity mechanisms; |
語文 | 中文(Chinese) |
中文摘要 | 價格變動是市場運動的常態,也是市場參與者四運及投資決策之所繫,惟由於電力產業具有即產即銷的特性,加以需求端缺乏價格彈性,短期供給不足時不具資源調整彈性,對供需失衡及價格波動的容忍程度,較其他產業相對為弱。在前述產業特性下,如何在提升資源效率的同時,兼顧系統運轉安全及供電可靠度,防範力蠢動及非計劃性停限電造成龐大社會成本損失,咸為各國開放電力市場競爭的首要課題。爰此,本文就電力系統規劃與運用的點,對發電容量準備的概念、容量價值的反映方式及其投資行為的影響、發電投資循環與價格波動的關聯性、市場環境下保有合理容量準備的作法、相關的政策考量因素等議題作說明,據以對我國電業個自由化的推動,提供政策分析與規劃上的參考。 |
英文摘要 | Price volatility is a function of the energy supplied and the capacity reserved, on which market participants perceive their daily operation and future investment. Electric industry embeds unique features among the others, to name some of them-supply has to met demand second by second inelastic demand and steep supply curve when failure caused by supply-side shortages and spike prices thus incurred. Regarding the limitations mentioned above, ensuring market mechanism on parallel with the security and reliability of power system, exercises of market power, welfare loss from forced. Accounted for the importance of capacity reserve, the paper elects some inviting topics, covering concepts and definitions of capacity reserves, value of capacity and its impact on investment behavior, capacity mechanisms adoptable under market environment, policy considerations of capacity mechanisms, for the reference of the electricity market reform in Taiwan. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。