Fair Pricing for Time-Flexible Smart Energy Markets
R. Saur (TU Delft - Intelligent Electrical Power Grids)
Han La Poutré (TU Delft - Intelligent Electrical Power Grids)
N. Yorke-Smith (TU Delft - Algorithmics)
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Abstract
The adoption of new market mechanisms - vital to the better integration of flexible assets - depends on the fairness and nondiscrimination of the pricing rules. We consider a market setting with time-flexible unit energy buyers and sellers, that additionally submit their availability in time. The time-flexibility of the agents allows for different schedules to be equivalent with regard to social welfare, which can lead to arbitrary price differences, i.e. price discrimination. In this work, we demonstrate that non-discriminatory prices are not trivially defined in time-flexible settings, provide a definition of non-discrimination as consistent over equivalent outcomes, show that this concept does not conflict with individual rationality and, finally, compare our work to broader concepts of fairness from economic psychology.