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Project Nexus Workgroup Unique Sites

Project Nexus Workgroup Unique Sites. 4 th November 2014. Key Points. Unique Sites are currently maintained ‘ offline ’ to UKLink due to complex processes . Requirement from PN UNC for Unique Sites to be held and maintained on the Supply Point Register (UKLink).

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Project Nexus Workgroup Unique Sites

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  1. Project Nexus Workgroup Unique Sites 4th November 2014

  2. Key Points • Unique Sites are currently maintained ‘offline’ to UKLink due to complex processes . • Requirement from PN UNC for Unique Sites to be held and maintained on the Supply Point Register (UKLink). • All existing Unique Sites will be migrated to UKLink for Go Live • All SPA and update processes will be managed via file interface with a few exceptions • All transportation charges will be included on the standard invoices. • All LDZ Unique Sites will have a Confirmation Reference Number allocated, not an LMN (Logical Meter Number). • NTS and LDZ Telemetered sites will continue to be allocated an LMN.

  3. Overview of Changes – MPRN Creation • For LDZ Supply Meter Points the MPRN will be created as per the existing process for directly connected sites, • For NTS Supply Meter Points the MPRN will be created via liaison with National Grid Transmission. • All Supply Meter Points will be assigned an MPRN. Currently NTS sites do not have an MPRN but a notional MPRN will be allocated in order that standard file flows can be utilised

  4. Overview of Changes – Nominations • Nominations will be submitted via the standard SPA file flows except for Shared Supply Meter Points (SSMPs) and Interconnectors (to be covered in a later slide) • Nominations will be Referred to the appropriate Network/NGT for the following checks: • Contract i.e. NEXA • MNEPOR (NTS) • NEXA Max SOQ value is not available (CSO) • NTS/ LDZ Optional Commodity requested • Capacity revisions

  5. Overview of Changes – Confirmations • Confirmations will be submitted via the standard SPA file flows except for Shared Supply Meter Points (SSMPs) and Interconnectors (to be covered in a later slide) • Objections will be processed as per SPA file flows • For LDZ Supply Meter Points a Confirmation reference will be allocated & notified via SPA file flows • For NTS and Telemetered Supply Meter Points an LMN will be allocated & notified via SPA file flows • Standard transfer of ownership files will be issued to the Proposing & Outgoing Shipper

  6. Overview of Changes – Supply Point Updates • With the exception of SSMPs, all updates to the Supply Meter Point will be via the SPA file flows • Capacity requests will be via SPA file flows and will be Referred as required to the relevant Network for approval • An AQ will be calculated monthly, subject to a valid read being received, and notifications issued • Ratchets (LDZ) and Overruns (NTS) will be calculated as normal and Ratchet notification issued via the Ratchet notification files

  7. Overview of Changes – Asset Updates • All asset updates will be submitted via RGMA flows except for Supply Meter Points with ‘Special Metering Arrangements’ • For Supply Meter Points with Special Metering Arrangements the GT will submit the asset updates which will be notified to the Shipper (via MRI file)

  8. Shared Supply Meter Points • Shared Supply Meter Points (SSMP) will not be included in standard SPA file flows, due to the complexity in time bound activities. • It is proposed that the following activities are managed as part of an authorised email route using standard templates: • Nominations • Offers • Withdrawal • Confirmation • Asset Updates • A separate presentation has been provided regarding email communication

  9. Shared Supply Meter Points Cont. • Supply Point updates may be made via file except where it would result in an amendment to the set-up of the SSMP i.e. capacity revision/change of Shipper, in which case it must be performed via re-nomination and confirmation. • Where a withdrawal occurs at an SSMP, Xoserve will notify all other Shippers via email. If as a result the site becomes a single Shipper Supply Meter Point a notification will be issued via SPA files.

  10. Interconnectors • Interconnectors have different data requirements to other sites, including the recording of specific contractual agreements, and will therefore be managed separately. • Interconnectors will be directly confirmed via email in order to provide the contract documentation required for processing.

  11. Transition Requirements • Confirmation Numbers will be generated, assigned and communicated in advance of Project Nexus implementation. These will replace the LMN’s for LDZ Supply Meter Points. • Outstanding Offers and Referrals will be treated as per all other sites and will not be migrated. • Transportation charges for the September billing period will be calculated & issued from legacy systems and files

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