Procedures and guides

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.

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

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 guide

For further information on credit support, please email

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 Fact Sheet - Establishing if a person is NOT a Retail Client document. 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 these documents, please contact AEMO's Information and Support Hub.

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