P344 IWG 1: Registration processes

This industry working group is developing the processes and the associated Code Subsidiary Documents (CSDs) changes required to implement two requirements of the P344 ‘Project TERRE’ solution. These requirements are:

  • Independent Aggregators/customers shall be able to register as a BSC Party under a new ‘Virtual Lead Party’ participation capacity
  • BSC Parties with the ‘Virtual Lead Party’ Party participation capacity shall be able to register ‘Secondary BM Units’

Current Status

Latest update

The proposed changes were issued for industry review 17 Oct – 14 Nov 18.

Documents Impacted

  • BSCP15
  • BSCP20
  • BSCP25
  • BSCP31
  • BSCP38
  • BSCP65
  • BSCP68
  • BSCP70
  • BSCP71
  • BSCP75
  • BSCP537
  • BSCP537 Appendix 1
  • BSCP537 Appendix2
  • BSCP Appendix3
  • Communications Requirements
  • Demand Capacity Generation Capacity Review Determination

Background to P344 ‘Project TERRE’

P344 ‘Project TERRE’ seeks to align the Balancing and Settlement Code with the European Balancing Project TERRE (Trans European Replacement Reserves Exchange) requirements. This will allow the implementation of the TERRE balancing product at national level and ensure compliance with the European Electricity Balancing Guideline (EBGL).

The BSC Panel has recommended to the Authority (at its 14 June 2018 meeting) that it approve the P344 Alternative Modification (mandatory sharing of Half Hourly (HH) delivered volumes with the customer’s Supplier) and reject the Proposed Modification (customer consent required for sharing HH delivered volumes with the customer’s Supplier).

The Authority approved P344 Proposed Modification on 24 August 2018 for implementation on 28 February 2019 (February 2019 BSC Release).

ELEXON’s technical solutions

  • Foundation programme

Related IWGs

This IWG is part of a collection of groups that will focus on the implementation of Project TERRE and its impact on the UK electricity industry.

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