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 market coupling - how to operate
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The market coupling implements a decentralized approach where each PX manages its bargaining system and has the right (obligation for the PX Coordinator and the Back-up PX Coordinator[1]) to implement its own market with a common matching algorithm taking into account the global model of the network defined by the European TSOs for the respective markets. Consequently:
  • the operators of the Italian and other European markets submit offers/bids in the bargaining system of their local PX;
  • each TSO communicates the information regarding the daily values of the ATC on its borders to its local PX;
  • the PXs (including GME):
    • (anonymously) share all necessary information regarding the offers/bids of their operators;
    • share all the necessary information concerning the values of the ATC;
  • the PX acting as a Coordinator and the PX acting as a Coordinator of back up run the market;
  • the PXs that do not act as a Coordinator or as a Coordinator of back up can run the market;
  • at the end of the market running, the PX acting as a Coordinator distributes the results to all other PXs that verify their consistency and publish them.


[1] For full members in the PCR, there are figures such as the Coordinator, the Back-up Coordinator and Operator. The Coordinator is the PX that for a given market session has to coordinate the activities of the PXs and verify the correctness of the procedures performed and the results obtained. The Back-up Coordinator is the PX that is ready to take over the Coordinator where it has problems in performing this role. The Operators are the other PXs.

 
 
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