The role of demand response in mitigating market power: a quantitative analysis using a stochastic market equilibrium model

Mel T. Devine () and Valentin Bertsch ()
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Mel T. Devine: University College Dublin
Valentin Bertsch: Ruhr-Universität Bochum

OR Spectrum: Quantitative Approaches in Management, 2023, vol. 45, issue 2, No 7, 555-597

Abstract: Abstract Market power is a dominant feature of many modern electricity markets with an oligopolistic structure, resulting in increased consumer cost. This work investigates how consumers, through demand response (DR), can mitigate against market power. Within DR, our analysis particularly focusses on the impacts of load shifting and self-generation. A stochastic mixed complementarity problem is presented to model an electricity market characterised by an oligopoly with a competitive fringe. It incorporates both energy and capacity markets, multiple generating firms and different consumer types. The model is applied to a case study based on data for the Irish power system. The results demonstrate how DR can help consumers mitigate against the negative effects of market power and that load shifting and self-generation are competing technologies, whose effectiveness against market power is similar for most consumers. We also find that DR does not necessarily reduce emissions in the presence of market power.

Keywords: Mixed complementarity problem (MCP); Electricity Market; Renewable energy sources (RES); Stochasticity; Market power; Demand response (DR) (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s00291-022-00700-0

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