Catching-up the maximum market value of electricity storage

Abstract : The creation of competitive wholesale electricity markets allows to evaluate the “arbitrage value” of an electricity storage unit, which stems from buying and storing electricity when prices are low, and selling it when prices are high. The focus of this paper is to demonstrate that the arbitrage value is highly sensitive with respect to the technical configuration of an electricity storage unit. Based on simulations of arbitrage value for different storage units, we show that optimizing the dimensioning of a storage unit is as important as choosing the fittest technology. Furthermore we provide evidence that the optimal set-up of a storage unit depends on various factors including grid tariff and local electricity price characteristics.

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