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A Comparison of Electricity Market Designs in Networks

Author

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  • Andreas Ehrenmann

    (Judge Institute of Management, University of Cambridge)

  • Karsten Neuhoff

    (Department of Applied Economics, University of Cambridge)

Abstract

In Europe, two market designs are discussed for electricity trade and transmission. We argue that their performance in the presence of market power can be represented by two models from the literature. In contrast to examples for simple two-node networks, we show that in more complex networks a general ranking of both designs is not possible. Hence, computational models are required to evaluate the designs for realistic parameter assumptions. We extend existing formulations of both models to represent them as equilibrium problems with equilibrium constraints (EPEC) with equivalent representation of demand, fringe generation, and strategic generators. In a numerical simulation for the Northwestern European network, the integrated market design performs better. This difference illustrates the impact of small assumptions on the outcome of strategic models.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Andreas Ehrenmann & Karsten Neuhoff, 2003. "A Comparison of Electricity Market Designs in Networks," Working Papers EP31, Energy Policy Research Group, Cambridge Judge Business School, University of Cambridge.
    • Handle: RePEc:enp:wpaper:ep31
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