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This chapter presents the high-level functioning of the market coupling algorithm used in the Single Day-Ahead Coupling (SDAC) and for Intraday Auctions (IDA) of the Single Intraday Coupling (SIDC). The fundamentals underlying market coupling calculations, lying at the intersection of power system economics and mathematical optimization, are reviewed and illustrated by examples that do not require any specific technical background. The topics covered include the equivalence between welfare maximization and competitive equilibrium in markets coupled via flow-based or available transfer capacity network representations. Finally, it is briefly highlighted how the energy transition may impact the design and functioning of the market clearing algorithm in the near future in Europe, as well as in both Japan and India.

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Day-Ahead and Intraday Auctions Market Coupling Algorithm

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  • 出版模式：

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  • 发表日期：

    2025年

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  • Mehdi Madani,
  • Martin Starnberger

摘要

This chapter presents the high-level functioning of the market coupling algorithm used in the Single Day-Ahead Coupling (SDAC) and for Intraday Auctions (IDA) of the Single Intraday Coupling (SIDC). The fundamentals underlying market coupling calculations, lying at the intersection of power system economics and mathematical optimization, are reviewed and illustrated by examples that do not require any specific technical background. The topics covered include the equivalence between welfare maximization and competitive equilibrium in markets coupled via flow-based or available transfer capacity network representations. Finally, it is briefly highlighted how the energy transition may impact the design and functioning of the market clearing algorithm in the near future in Europe, as well as in both Japan and India.