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The Retail Market Design is the set of processes and standards whereby the participants in the retail electricity market interact i.e. the ‘rules of the road’ for the retail market. The Industry Governance Group (IGG) is the forum where the Market Design is discussed.

The most recent release for the Retail Market Design was on 31st of March 2023, a MMR. This is now the current, baselined Market Design which is at V13.5.

About the Market Design

The Market Design includes:

  • Market Procedure Documents
  • Market Messages
  • Briefing Papers
  • Working Practices
  • Technical Guides for Messaging

All of this documentation is subject to formal change control.

The Market Design is part of a wider framework that includes documents that are agreed outside the Industry Governance Group (IGG).

This framework includes:

  • The Market Design
  • Licenses & Codes
  • Agreements
  • Service Levels


RMDS is responsible for the maintenance, publication and circulation of information relevant to Retail Market Design.


Retail Market Model

Below is the High Level Business Flow of the Retail Market Model for the Market Design.

Market Design High Level Business Flow

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