Information about incident on 03/19/2016 - 4M MC decoupling

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3/21/2016

On the 03/19/2016 during the market coupling session for delivery day 03/20/2016 technical issue with integration of market coupling results was identified.

As the issue was not resolved by the deadline set by the 4M MC procedures, market participants were informed on Incident Committee decision to decouple CZ, SK, HU and RO markets.
Communication to market participants ran exactly according to the 4M MC procedures and process in the decoupling mode took place correctly.
The cause of the issue was identified shortly after the incident and also workaround which will prevent the issue from happening again, was applied.

Market coupling session of the following trading day 03/20/2016 ran without any problem.