Network tariffs and the integration of prosumers: The case of Wallonia

Miguel Manuel de Villena, Julien Jacqmin, Raphael Fonteneau, Axel Gautier and Damien Ernst

Energy Policy, 2021, vol. 150, issue C

Abstract: In Wallonia, Belgium's southern region, the distribution component of the overall electricity retail tariff is essentially volumetric, i.e. based on the users' energy consumption (in €/kWh). Residential prosumers, moreover, are connected to the grid via a net-metering system. In this paper, we rely on a sophisticated multi-agent tariff simulator – developed in Manuel de Villena et al. (2019, 2020) – calibrated to this specific regional context to model the integration of prosumers into the distribution grid. This simulator enables us to highlight how the emergence of prosumers impacts the distribution network tariff, and to evaluate several tariff reforms currently under discussion: the introduction of a prosumer fee, the introduction of a capacity component and a switch to net-purchasing. Without a change in the metering system, short run reforms can only change the structure of the tariff paid, either to all consumers or to prosumers only. In the long run, especially thanks to smart meters, we consider both the introduction of a net-purchasing system and of a tariff with a capacity component. Our analysis highlights one key added value of smart meters: they allow network tariffs that are fairer and sustainable.

Keywords: Prosumers; Distribution tariff; Regulation; Tariff simulator; Death spiral (search for similar items in EconPapers)
JEL-codes: L51 Q42 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:150:y:2021:i:c:s030142152030776x

DOI: 10.1016/j.enpol.2020.112065

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