Distribution network service provider

This section assists distribution network service providers (DNSPs) in identifying the changes they need to make to implement 5MS and GS. It also provides links to the key information that triggers or supports the relevant changes.

The information provided by AEMO on 5MS and GS is general and may not be appropriate for any participant’s particular situation or market activities. Please also refer to AEMO’s privacy and legal notices.

  • At a high level, what are the 5MS/GS changes I need to make?

    For 5MS: 

    • Develop capability to receive 5-minute metering data

    For GS: 

    • Determine and engage Metering Coordinators (MCs) (after Global Settlement market commencement on 1 May 2022)
    • Develop agreements with contestable MCs to install cross-boundary meters before 1 May 2022
    • Create and maintain cross-boundary NMIs in MSATS
    • Develop capability to manage and apply new NMI classification codes
    • Create and maintain non-contestable unmetered load NMIs, inventory tables and calculation methodologies

     


  • How should we make these changes and when do we need make them?

    The Metering Transition Plan (MTP) was developed in consultation with industry through the 5MS and GS Readiness Working Group (RWG) and its subsidiary Transition Focus Group (TFG). It provides co-ordinated guidance for AEMO and participants by setting out the expected responsibilities, detailed activities, dependencies and timeframes for completion for elements of the 5MS/GS metering transition. 

    Importantly, the MTP is the basis for participants, including DNSPs, to complete their own Metering Transition Plans. Participants will individually develop and manage their physical metering and metering data activity based on the timeframes agreed in the plan.

     
  • Which AEMO procedures that are relevant to me have changed?

    There have been no major procedure changes directly applicable to DNSPs for 5MS because the main rule obligations are for MPs to install and/or reconfigure certain meter types and MDPs to deliver 5-minute metering data. 

    The major procedure changes relevant to DNSPs for GS are related to Local Network Service Provider (LNSPs) ensuring that:

    • Non-contestable unmetered load NMIs are created and maintained in MSATS, along with the supporting calculation methodologies and inventory tables
    • Distribution to distribution cross-boundary meter NMIs are created and maintained in MSATS 
  • Which AEMO systems that are relevant to me will change?

    Release

    Impact on DNSPs

    Comment

    Reallocations Yes There will be significant changes to MSATS standing data to support 5MS and GS. DNSPs will need to be able to receive the process new notifications, including the new NMI Classification Codes. 
  • How and when do we test the changes?

    The approach to and timing for participant testing for 5MS and GS is set out in the Industry Test and Market Trials Strategy. This document is located on the Participant Testing page of the 5MS website. Details of the testing will be set out in the test plans to be developed in consultation with the Industry Testing Working Group.   

    Note that DNSPs are responsible for:

    • Testing their systems and processes that interact directly or indirectly with AEMO’s market systems. 
    • Arranging bilateral testing with other participants.
     
  • What contingencies are in place?

    AEMO has Contingency Plans in place to respond to risks and issues, should they eventuate. These plans are documented in the Industry Contingency Plan section of the 5MS and GS market readiness strategies and plans table.

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