摘要:
本文探讨住宅用户“时间电价”与“节电奖励制度”之利弊得失，采用Kolmogorov-Smirnov统计量检定台电目前住宅时间电价尖、离峰的划分方式能否真实反映实际负载分布之情况。现行的住宅时间电价尖离峰价差是否能有效率地反映出尖、离峰之发电成本差异，亦是本文探讨的焦点。此外，已造成台电公司相当亏损的“节电奖励制度”的实施成效亦值得检讨，本研究发现，如何让住户在适当的时间以及地理区位上节省电力消费，提升节能效益，是未来的改进方向。
Abstract: Over the past several years, the Taiwan Power Company has launched two smart pricing programs to assess the demand response of residential customers. Namely, the Time-of-Use (TOU) rate scheme de- signed for smart meter customers and the Demand Reduction Incentive (DRI) scheme for the residential sec- tor are typical examples. This paper discusses these two programs and evaluates their respective perform- ances. Our study adopts two-sample Kolmogorov-Smirnov test to evaluate the appropriateness of current par- titions in the electricity load profiles and develops an efficient approach based on marginal cost pricing to re- design the TOU rate scheme for effective load management. Although the DRI scheme performs well, further improvements in energy saving and carbon reduction is necessary to reach an efficient win-win solution among customers, the utility and society. This can be achieved via a careful design of incentive tariff dis- counts to take account of the time-of-use or location-specific features of the power supply/demand condition.