Postponement of the Core Flow-Based Market Coupling project Go Live

Postponement of the Core Flow-Based Market
Coupling project Go Live

Core project parties concluded that the Core go-live planned for 20 April 2022 must be
postponed as a go-live on this date could not be supported by some Core project

Market Coupling processes are prepared and Core joint project parties are technically
ready in the preparation of their local and central systems and expect to finish
remaining activities (last required tests and bilateral contracts) before 20 April 2022.

There are however concerns expressed by some Core NEMOs and TSOs:

   • The timing of the Core FB DA go-live considering the current market context -

      in combination with the other concerns listed below
   • The not sufficiently demonstrated stability of the DA pre-market coupling
     process in Flow-Based DA capacity calculation, and the impact on capacities
     when fallbacks need to be applied
   • The impact on ID ATC capacities, for which the methodology will be known
     mid-April and for which TSOs possibly need to develop tools for maximising
     capacities while maintaining system security.
   • The issue of undue discrimination triggered by too low capacities provided on
     critical network elements
Similar concerns were also shared by market parties associations.
Core project parties will monitor the operational stability of the external parallel run
closely during the coming weeks and establish in parallel concrete plans to deal with
these concerns in a timely manner.
Core project parties will communicate a new go-live date as soon as the concerns are
assessed, alleviated and required alignment with other parties (i.e. SDAC) has taken



Communication note 8th April 2022

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