Electricity Markets for DC Distribution Systems: Design Options

Longjian Piao*, Laurens De Vries, Mathijs De Weerdt, Neil Yorke-Smith

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
99 Downloads (Pure)


DC distribution systems (DCDSs) are a promising alternative to AC systems because they remove AC-DC conversions between renewable sources and loads. Their unique features compared to AC include low system inertia, strict power limits and power–voltage coupling. In a liberalised electricity market, merely applying an AC market design to a DCDS cannot guarantee the latter’s supply security and voltage stability; new markets must be designed to meet DC challenges. This article identifies the key design options of DCDS electricity markets. To identify these options, we develop a comprehensive design framework for local electricity markets; to our knowledge, we provide the first such analysis. Whereas previous studies focus on separate aspects of DCDS markets, we widen the scope to include the role of market architecture and investigate the arrangements of sub-markets. As an illustration, we demonstrate three promising DCDS market designs that can be defined in our framework, and provide a first assessment of their performance.

Original languageEnglish
Article number2640
Pages (from-to)1-16
Number of pages16
Issue number14
Publication statusPublished - 2019


  • Direct current
  • Distribution system
  • Electricity market design
  • Flexibility
  • Local market


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