Attribution mechanisms for ancillary service costs induced by variability in power delivery

Francesca Bona, Nicolas Gast, Jean-Yves Le Boudec, Pierre Pinson, Dan-Cristian Tomozei

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Abstract

The increased penetration of renewable energy sources in existing power systems has led to necessary developments in electricity market mechanisms. Most importantly, renewable energy generation is increasingly made accountable for deviations between scheduled and actual energy generation. However, there is no mechanism to enforce accountability for the additional costs induced by power fluctuations. These costs are socialized and eventually supported by electricity customers. We propose some metrics for assessing the contribution of all market participants to power regulation needs, as well as an attribution mechanism for fairly redistributing related power regulation costs. We discuss the effect of various metrics used by the attribution mechanisms, and we illustrate, in a game-theoretical framework, their consequences on the strategic behavior of market participants. We also illustrate, by using the case of Western Denmark, how these mechanisms may affect revenues and the various market participants.
Original languageEnglish
JournalIEEE Transactions on Power Systems
Volume32
Issue number3
Pages (from-to)1891 - 1901
ISSN0885-8950
DOIs
Publication statusPublished - 2017

Bibliographical note

(c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

Keywords

  • Electricity markets
  • Ancillary services
  • Power fluctuations
  • Attribution mechanisms

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