실계통기반 제약조건 반영에 따른 계통한계가격과 시장참여자 편익 분석연구

장재훈; 신한솔; 곽규형; 오효빈; 윤형석; 김욱

doi:10.5370/KIEE.2024.73.1.26

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저널정보

대한전기학회
전기학회논문지 학술저널
전기학회논문지 제73권 제1호
2024.01 26 - 36 (11page)
DOI : 10.5370/KIEE.2024.73.1.26

저자정보

장재훈 (Pusan University)
신한솔 (Pusan University)
곽규형 (Pusan University)
오효빈 (Pusan University)
윤형석 (Pusan University)

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초록·키워드

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The Korean electricity market previously determined the system marginal price (SMP) without considering actual operational constraints under the Cost Based Pool electricity market system. Recently, in order to improve system operational problems, the pricing methodology was revised to reflect constraints, with the goal of introducing the actual system-based day-ahead market. However, there are no studies comparing the methodologies before and after this change. This study used a mathematical model to simulate pricing methodologies both before and after the revision, deriving SMP, social welfare, and congestion surplus. This study evaluated the impact of the methodology change on the electricity market and underscored the need for further congestion cost studies. An analysis of this revision can serve as a reference for market and system operators to refine the domestic power market"s pricing approach. It also assists market participants in managing financial risks and establishing countermeasures due to the methodology change.

#Electricity Market #Electricity Market Pricing Methodologies #Social Welfare #System Marginal Price #Transmission Congestion Surplus