6. The transmission system operator shall make public ex ante and ex post supply and demand information, on the basis of nominations and allocations, forecasts and realised flows in and out of the system. The regulatory authority shall ensure that all such information is made public. The level of detail of the information that is made public shall reflect the information available to the transmission system operator.
The transmission system operator shall make public measures taken as well as costs incurred and revenue generated to balance the system.
The market participants concerned shall provide the transmission system operator with the data referred to in this Article.