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A Study on Economic Demand Response NBT and Performance

우리나라 전력시장에서 경제성 DR의 NBT 및 낙찰 관계 분석

  • 양민승 (에너지환경정책기술대학원, 고려대-KIST) ;
  • 이성무 (수요시장팀, 전력거래소)
  • Received : 2017.09.01
  • Accepted : 2017.09.20
  • Published : 2017.09.30
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Abstract

This paper analyzes the correlation between Net Benefit Test (NBT) and System marginal price (SMP), which has a significant impact on the allocation of demand response (DR) resources in resource scheduling and commitment (RSC) process, based on the performance data of the demand resource market which has been established in 2014. Demand resources compete with generation resources in the RSC process, and it is prescribed to use demand resources only when net benefit occurs. Analysis result shows that the larger the SMP than the Net Benefit Threshold Price (NBTP), the more the winning bid of demand response resource was. It is interpreted that the introduction of NBT in DR market is justified. The demand resource market has been steadily growing. It is required to expand the scope of resources up to the small-sized DR, and to expand the functionalities of demand resources not only in the current energy market but also in the reserve market in the future. In order for that, institutional improvements are required.

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