Inventory management

Customer Inventory Management consists of managing the day to day Customer Book Stock per Capacity User and periodically bringing the Customer Book Inventory in balance with the Physical Stock by executing the Reconciliation process. The Customer Inventory process manages also the tier rights of the Capacity users and calculates inventory entitlements .

One of the sub-processes is the calculation of the Customer Book Inventory at any point in time. This calculation is based on the last reconciled Book Stock quantities determined in the Reconciliation process and corrected with all receipts and send-outs executed up to the date/time at which the Customer Book Inventory is requested. The Customer Book Stock can be calculated for each moment in time on a near real-time basis.

The Reconciliation Process is regularly performed on a monthly, quarterly and annual basis. This process starts as soon as practical after the expiration of each period and is performed on the first Gas Day. The reconciliation compares the Physical Stock with the Customer Book Inventory and determines the gain/loss. The gain/loss can be the result of:

  1. Venting/flaring,
  2. measurement device inaccuracies,
  3. differences between actual send-out and allocated send-out,
  4. unaccounted losses.

Gas Storage


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