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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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  • Procedures and guides

  • In this section
    • In this section
      Prudentials and payments
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  • NEM settlements and prudential supervision process

    These papers provide an introduction to the settlement and prudential processes the National Electricity Rules requires AEMO to administer.

    For further information on these documents, please contact AEMO's Information and Support Hub.

    NEM Settlements Process
    16 November 2009 | 153.54 (pdf)

    Prudential Supervision Process
    16 November 2009 | 170.35 kb (pdf)

    Credit Support

    Financial Guarantees

    Participants in the National Electricity Market (NEM), Short Term Trading Market (STTM), Victorian Wholesale Gas Market, and Gas Supply Hub may be obliged under the Market Rules to provide credit support to AEMO. AEMO has a single financial guarantee pro forma to be used for these markets, and all guarantees must be in the prescribed format. It is recommended that guarantees be checked by AEMO prior to execution by emailing a draft copy to prudentials@aemo.com.au.

    AEMO Guarantee Pro Forma
    2 January 2014 | 65.5 KB (docx)

    AEMO Guarantee Pro Forma
    2 January 2014 | 599 KB (pdf)

    Credit Support Management Guide

    AEMO has prepared a Credit Support Management Guide to assist Participants with the procurement, exchange, return, and expiry of financial guarantees for the National Electricity Market, Short Term Trading Market and Victorian Wholesale Gas Market. This guide contains information on AEMO’s credit support processes and Participant obligations, and there are useful references to market rules.

    Credit Support Management Guide
    16 April 2014 | 414 KB (pdf)

    Credit Support Webpage

    This webpage is currently unavailable pending maintenance, until further notice.

    For further information on credit support, please email prudentials@aemo.com.au

    Reallocation Procedures

    The Reallocation Procedures for Energy and Dollar Offset Reallocations and Swap and Option Offset Reallocations are to be followed when submitting reallocation requests or requesting access to the AEMO Reallocation Facility. Participants requesting access to Swap and Option Offset Reallocations must also provide proof of wholesale client status, please refer to the AEMO Guide to Establishing That a Person is Not a ‘Retail Client’. For reallocations to be included in the Maximum Credit Limit calculation, they must be submitted in accordance with the Reallocation Timetable.

    The MMS Reallocations User Guide provides practical details on working with the browser interface to lodge reallocation requests.

    For further information on this document, please contact the AEMO Support Hub.

    Reallocation Procedure Energy and Dollar Offset Reallocations
    29 May 2017 | 148 KB (pdf)
    Reallocation Procedure Swap and Option Offset Reallocations
    29 May 2017 | 170 KB (pdf)
    Reallocation Timetable Final
    30 June 2017 | 210 KB (pdf)
    SOOR Letter of Agreement - Printable
    29 May 2017 | 140 KB (docx)
    EDOR Letter of Agreement - Printable
    29 May 2017 | 175 KB (docx)

    Reallocation Procedure System in the Electricity Market Management Systems Web Portal

    This is a user interface guide providing instructions on using the Reallocations System in the Electricity Market Management Systems (EMMS) Web Portal.

    EMMS Reallocations User Interface Guide v3.05
    3 May 2011 | filename: 0500-0024.pdf
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