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. 

2019 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


14 Jan 2019

22 Jan 2019


11 Feb 2019

19 Feb 2019


11 Mar 2019

19 Mar 2019


15 Apr 2019

23 Apr 2019


13 May 2019

21 May 2019


10 Jun 2019

18 Jun  2019


15 Jul 2019

23 Jul 2019


12 Aug 2019

20 Aug 2019

 September 9 Sep 2019 17 Sep 2019
 October 14 Oct 2019 22 Oct 2019
 November 11 Nov 2019 19 Nov 2019
 Decemember 9 Dec 2019 17 Dec 2019

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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