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      • AEMO operates Australia's National Electricity Market (NEM), the interconnected power system in Australia’s eastern and south-eastern seaboard, and the Wholesale Electricity Market (WEM) and power system in Western Australia.
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      • AEMO operates gas retail markets in New South Wales and the Australian Capital Territory, Queensland, South Australia, Victoria, and Western Australia. AEMO also operates wholesale gas markets in south-eastern Australia, those being the Declared Wholesale Gas Market in Victoria (DWGM), the Short Term Trading Market in Adelaide, Brisbane and Sydney (STTM), and the Gas Supply Hub (GSH), whose trading locations are based at Wallumbilla in Queensland, and Moomba in South Australia. AEMO also operates the Natural Gas Services Bulletin Board (GBB), and is system operator of the Victorian Gas Declared Transmission System. AEMO is also responsible for Gas Services Information functions in Western Australia.
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  • IT change and release management

  • In this section
    • In this section
      IT systems
      • IT change and release management
      • User Guide to MIBB Reports
      • aseXML Standards
  • Change Management is governed under the IT Change Management Policy and Procedure. Please contact itchangemanagement@aemo.com.au for any information.

    Forward Schedule of IT Changes

    See the link below for the fortnightly schedule of IT Changes.

    • Forward Schedule of IT Changes (482 KB, pdf)

    IT Changes – Outage and Maintenance Windows

    IT outage and maintenance windows (change windows) for major system changes outline specific timeframes when IT changes will occur. This schedule is to inform AEMO participants in advance about IT changes, and consolidated views of the changes planned. This is another step towards standardising the maintenance and outage windows for AEMO’s market-facing systems, helping to better manage impacts as well as overall planning of changes and releases.

    • AEMO Change Windows

    Release Schedules

    Gas Supply Hub
    • GSH Data Model Release Schedule and Technical Specification October-December 2017 (3.5 MB, zip)
    • Gas Supply Hub Release Schedule and Technical Specification March 2017 (1.77 MB, zip)
    Gas Full Retail Contestability
    • Gas FRC release schedule and technical specification November 2016  (zip)
    STTM
    • STTM Release Schedule - March 2017
    • STTM Technical Specification - March 2017
    DWGM
    Gas Bulletin Board
    • Gas Bulletin Board Release Schedule and Technical Specifications 938A October 2016 (zip)
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