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Project Nexus Workgroup – Invoicing 11 th August 2014

Project Nexus Workgroup – Invoicing 11 th August 2014. Background. Currently several charges are raised through Ad Hoc invoices, the industry requirement is to incorporate these charges within the main invoice.

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Project Nexus Workgroup – Invoicing 11 th August 2014

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  1. Project Nexus Workgroup – Invoicing11th August 2014

  2. Background • Currently several charges are raised through Ad Hoc invoices, the industry requirement is to incorporate these charges within the main invoice. • The RbD mechanism will cease for transportation and energy charges at Go Live as all supply points become subject to individual reconciliation • The RbD mechanism will continue in use for 12 months after Go Live to process reconciliations and / or adjustments to energy for the relevant period prior to Go Live • This presentation outlines the changes to the invoicing arrangements as the industry moves from pre to post Nexus settlement regime • This presentation does not include any details on the new invoice formats, supporting data etc, this will be provided later

  3. Transition Invoicing • Charge calculation up to Go Live will be completed in current systems and issued using current file formats even though the invoices will be issued after Go Live • Charge calculation from Go Live will be based upon the Nexus modifications and other industry requirements • E.g. smaller supply point reconciliation charges will apply from Go Live • The invoice issue timescales defined in UNC will be adhered to. In the event an invoice issue timescale is challenging as a result of Nexus implementation we will bring the matter to the Nexus workgroup for discussion

  4. Changes to invoice documents • A number of invoice documents are amalgamated post Go Live. • Charges for Unique Sites and CSEPs will be incorporated within the Commodity, Capacity and Amendment invoices • The reconciliation invoice becomes the Amendment Invoice incorporating reconciliation and adjustment charges (some of which are currently issued via Ad Hoc invoices) • Ad Hoc charges still need to be raised although these will be issued on the Ancillary Invoice. • Ratchet charges, currently invoiced on the Commodity Invoice will be included within the Capacity Invoice

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