In a Decision recently published, ACER revised the methodology proposed by Transmission System Operators of Austria, Belgium, Croatia, the Czech Republic, France, Germany, Hungary, Luxemburg, Netherlands, Poland, Romania, Slovakia and Slovenia – which will apply a coordinated calculation and allocation of the capacity between bidding zones (the Core Capacity Calculation Region) - for establishing the rules for alternative capacity allocation – fallback procedures - in the event that the single day-ahead coupling process is unable to produce results. For alternative capacity allocation a shadow auction is proposed, such that when single day-ahead coupling fails, the cross-zonal capacity is auctioned as a standalone product, in contrast to single day-ahead coupling where it is auctioned combined with energy.
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