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Results of Core Flow-Based Market Coupling projects’ external parallel run reach a high level in maturity

Amsterdam, Berlin, Bucharest, Budapest, Bratislava, Brussel, Ljubljana, Luxemburg, Paris, Prague, Vienna, Warsaw, Zagreb 07.10.2021

The project parties involved in the day-ahead Core Flow-Based Market Coupling project (Core FB MC) hereby announce that as of Business Day 28th of August 2021
the external parallel run reached a next level of maturity.

The next milestones in the Core Flow Based Market Coupling project

As of November 2020, Core NEMOs and TSOs have started a public testing phase to prepare themselves and market participants for the implementation of Flow Based Market Coupling. With having started this 15 months before the planned Go Live date, this is well in line with the legal obligation pursuant to Article 20 (8) of the CACM Regulation that requires that concerned TSOs, shall test the flow-based methodology alongside the existing capacity calculation and allocation regimes currently applied in the Core capacity calculation region during the period of at least six months. This so called External Parallel Run has now reached a high level in maturity. The required common systems from Core Transmission System Operators used in the External parallel run are in the final stage of industrialisation, covering the needed requirements to allow a fully representative and stable parallel run.

The project parties entered the joint testing in the second half of September 2021. Furthermore, project parties expect to launch the joint testing of the Single Day Ahead Coupling (SDAC) procedures at the beginning of 2022. Involvement of market participants is also envisaged at the beginning of 2022. Separate information on this involvement will follow duly in time. Go-live of Core FB MC is targeted for end of February 2022.

Communication channels

Market participants who would like to follow closer the project development are invited to join the Core Consultative Group (CCG) by sending an email to CoreCG@magnus.nl. The participants of the CCG will receive regular information, and invitations to teleconferences and meetings.

Next to the CCG, a Question & Answer Forum for the Core FB MC project is currently in use. The Forum is available under the Core FB MC section on the JAO website, ie. www.jao.eu. Project parties invite all market participants to use this Forum for their queries.

About the Day-Ahead Flow-Based Market Coupling project in the Core CCR

The Core Flow-Based Market Coupling (Core FB MC) project develops and implements a flow-based day-ahead market coupling across the whole Core capacity
calculation region (Core CCR) in the framework of the Single Day-Ahead Coupling (SDAC). The Core CCR consists of the bidding zone borders between the following
EU Member States’ bidding zones: Austria, Belgium, Croatia, the Czech Republic, France, Germany, Hungary, Luxemburg, the Netherlands, Poland, Romania, Slovakia and Slovenia.