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  • The volume that must be called will be calculated as follows:

    • Difference between the anticipated final value of the SBS and the boundary value of the dark green zone.
    • The part that possibly is not yet delivered of a realized WDBA transaction is included in the determination of the volume of any new WDBA. This only applies for WDBA with the SBS in the light green area.
    • If the SBS is in the light-green zone, and the imbalance is less than the unbalance of the previous hour, no WDBA will take place.
  • The accountable POS will, apart from in exceptional situations, indeed be published between xx:15 and xx:20. The reason for this is that the near real-time allocations of the CSS are only available at xx:13. This is because actual near real-time allocations are used for determining the accountable POS and not the allocation from a previous hour as was the case for the determining the forecast POS.

  • The accountable POS is indeed only available between xx:15 and xx:20.
    For a POS where no near real-time allocations are needed that are only available after 5 minutes past the hour (such as RNB/PNB,TTF-B, etc.), the prognosticated POS for xx:00 (which is available before xx:05) is equal to the accountable POS at xx:15 – xx:20.

  • Yes, multiple portfolios with multiple POSses. A POS is per portfolio.

  • No, GTS has only a prognosis value for the coming hour.