Imbalance Settlement Group (ISG)

The ISG is responsible for overseeing the operation of the Imbalance Settlement processes and systems in the Central Volume Allocation (CVA) Market.

Join the committee

Three vacancies have become available for the ISG. If you are interested please complete the application form on our website, setting out your relevant experience/expertise for the Committee(s) you are interested in. 

2020 Meeting dates

The ISG publishes the proposed agenda approximately 5 working days ahead of each meeting. A full collection of documents are circulated on Paper Day.


Papers published

Meeting Date


31 December 2019

7 January 2020


28 January 2020

4 February 2020


25 February 2020

3 March 2020


31 March 2020

7 April 2020


28 April 2020

5 May 2020


26 May 2020

2 June 2020


30 June 2020

7 July 2020


28 July 2020

4 August 2020

 September 25 August 2020 1 September 2020
 October 29 September 2020 6 October 2020
 November 27 October 2020 3 November 2020
 Decemember 24 November 2020 1 December 2020

Attending ISG Meetings

Please contact the ISG secretary if you want to attend the open session of any ISG meeting.

ISG processes and systems

The processes are associated with the operation of the Central Services Agents:

  • Balancing Mechanism Reporting Agent (BMRA),
  • Central Data Collection Agent (CDCA),
  • Central Registration Agent,
  • Energy Contract Volume Aggregation Agent (ECVAA),
  • Settlement Administration Agent (SAA),
  • Funds Administration Agent (FAA)
  • Interconnector Administrator.

Roles and responsibilities

The roles and responsibilities of the ISG are in the Terms of Reference


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