Congestion management

This section provides an overview of the congestion management actions performed by Elia, either for its own needs or to support a neighboring TSO

Commission Regulation (EU) n° 543/2013 on submission and publication of data in electricity markets defines the concepts of Redispatching and Countertrading as follows :

  • “Redispatching” : Measure activated by one or several system operators by altering the generation and/or load pattern in order to change physical flows in the transmission system and relieve a physical congestion. Further distinction can be made between:
    • Internal Redispatching : All redispatching bids are performed in the control area where the congestion is located.
    • Cross-Border Redispatching : The redispatching bids are performed in different control areas.
  • “Countertrading” : Cross zonal exchange initiated by system operators between two bidding zones to relieve physical congestion.

High level overview of the Channel Redispatching / Countertrading Actions by Elia

In accordance with the Channel CCR methodology for Coordinated Redispatching and Countertrading which requires that each Channel TSO should publish on their respective website a high-level overview of the RD and CT Action that could be activated to restore the balance of their grid after a redispatching/countertrading on a Channel Interconnector (Nemo Link in Elia's case), you will find this overview in this document. 

Quarterly Congestion Management Report

As proposed in response to the incentive on "Improvement of transparency with regards to the detection and management of Congestion" defined in the CREG decision (B)658E/52 of 28 June 2018, Elia publishes a quarterly report on Congestion Management covering a period of three months. This report includes:
  • Information on the quality of the following forecasts used as operational input data for the creation of the Individual Grid Models (IGM)
  • Information on the quality of output data
  • Information about the timing, power, location, and purpose for activations of Costly Remedial Actions by Elia.

Useful links


Congestion management
Energy Scheduling Office

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