KIEE - The Transactions of the Korean Institute of Electrical Engineers

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The Transactions of the Korean Institute of Electrical Engineers

The Transactions of the Korean Institute of Electrical Engineers

ISO Journal TitleTrans. Korean. Inst. Elect. Eng.

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Title	Demand Response Effect on Market Power with Transmission Congestion in Electricity Market
Authors	이광호(Lee, Kwang-Ho)
DOI	https://doi.org/10.5370/KIEE.2017.66.12.1705
Page	pp.1705-1711
ISSN	1975-8359
Keywords	Demand response ; Market power ; Transmission congestion ; Electricity market ; Cournot ; Nash equilibrium
Abstract	This paper analyzes the impact of DRA (Demand Response Aggregator) on market power when competing with power generation companies (Gencos) in the electricity market. If congestion occurs in the transmission line, the strategic choice of the power generation company increases exercise of market power. DRA's strategic reduction of power load impacts the strategy of Gencos, which in turn affects the outcome of the load reduction. As the strategy of Gencos changes according to the location of the congested transmission line, the impact on the market depends on the relative location of the congested line and the DRA.

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