XRN 5450
Demand tool to support Urgent Modification 0788 - Minimising the market impacts of ‘Supplier Undertaking’ operation

Summary

Modification 0788 - Minimising the market impacts of ‘Supplier Undertaking’ operation was implemented on 01 November 2021. This provides the ability for Suppliers who are operating under a DoU following the Termination of the Shipper User, to make arrangements with another Shipper User to source additional supplies of gas and make trade nominations to the Terminated Shipper User account to balance that portfolio and mitigate increased costs, until a new ‘Registered User’ is appointed.

XRN5443 was raised to accommodate the Modification 0788 process. Under XRN5443, as per Modification 0788, the CDSP will send the new Shipper relevant TSMPs information and the new Shipper is responsible for confirming the demand for the TSMPs they have agreed to supply gas for.

It has been acknowledged between National Grid and the CDSP that there could be a scenario where a new Shipper looking to supply gas for the TSMPs doesn’t have the ability to work out the estimate demand or simply wants the CDSP to provide this estimate.

To address this scenario, this Change Proposal has been raised to create and make available where required, a demand tool which in the event of a Shipper termination, the tool would allow the CDSP to calculate estimate demand at Supplier level enabling the Supplier to enter an arrangement with a new Shipper to offset the demand, via a trade, with the Terminated Shipper.