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Procedures
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In this section
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In this section
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Current versions of the Wholesale Electricity Market (WEM) market procedures can be found on this page.
Administrative market proceduresName
Description
Head of power
Latest update
This Procedure outlines setting the confidentiality status for market-related information and documents produced or exchanged under the Market Rules or Procedures.
Clause 10.2.1
30 November 2015
This Procedure provides details of the various IT interfaces for participating in the WEM.
Clause 2.36.5
18 April 2017
This Procedure documents the method by which notices and communications required under, contemplated by or relating to, the WEM Rules are to be given to or by AEMO.
Clause 1.6.2
01 October 2017
Market operations market proceduresName
Description
Head of power
Latest update
This Procedure covers the process and information required for a Market Participant to make a Capacity Credit Allocation Submission.
Clause 9.4.3
30 November 2015
Facility Registration, De-Registration and Transfer Procedure
This Procedure covers the process for a Rule Participant to register, de-register or transfer its Facilities and the process to be applied by AEMO in processing applications.
Clause 2.31.23
18 April 2017
This procedure outlines the process by which Intermittent Loads will be subject to Reserve Capacity Refunds.
Clause 4.28A.3
18 April 2017
This Procedure covers the process for determining Loss Factors.
Clause 2.27.17
30 November 2015
This Procedure covers how Meter Data Agents submit Meter Data to AEMO, including the timing and format of submissions.
Clause 8.6.2
30 November 2015
This Procedure outlines the process for new participant registration and existing Market Participant de-registration.
Clause 2.31.23
18 April 2017
This Procedure outlines how AEMO will manage liabilities that arise in the Settlement process.
Clause 2.43.1
18 April 2017
This Procedure outlines the financial settlement of trading through the WEM.
Clause 9.2.1
18 April 2017
This Procedure outlines the technical communication criteria that a Balancing Facility, or a type of Balancing Facility must meet.
Clause 7A.1.6
18 April 2017
This Procedure outlines the information requirements from System Management to enable the Forecast Balancing Merit Order and Balancing Forecast to be prepared.
Clause 7A.3.20
18 April 2017
Determination of DSM Dispatch Payment Tranches and Adjustments
This Procedure documents the process AEMO has to follow to determine the Tranche 2 and Tranche 3 DSM Dispatch Payments that will be paid to DSM Providers for the decrease in energy consumption (in MWh) when a DSP is dispatched. Further, it outlines the process AEMO has to follow to adjust the calculation of the DSM Dispatch Payments in case the number of DSM Capacity Credits assigned to a DSP changes during a Capacity Year
Clause 6.17.6B and 6.17.6F
01 October 2017
Individual Reserve Capacity Requirements This Procedure documents the processes to be followed by:
a) Market Customers in providing information relating to their loads and demand side management arrangements for the determination of their IRCR on an annual basis and/or on a monthly basis.
b) AEMO in requesting information from Market Customers in respect of determination of the yearly IRCR and in calculating and publishing the Monthly IRCR.
Clause 4.28.12 03 November 2017 Power system operation proceduresName Description Head Of Power Latest Update Ancillary Services
(pdf, 144 KB)
This sets out the processes followed each year for the assessment and identification of Ancillary Services requirements as part of the Ancillary Services procurement process. Clauses 3.11.14, 3.11.15, 7B.1.2 1 July 2012
Commissioning and Testing
(pdf, 285 KB)
This sets out the requirements that System Management and Market Participants must follow when planning and conducting tests of a generating system to verify its output. Clause 3.21A.15 1 March 2014 Communications and Control Systems
(pdf, 42 KB)
This sets out the communication and control system requirements needed to support the dispatch process. Clause 2.35.4 1 July 2012
Cleansing of Generation Facility MWh Output Data
(pdf, 133 KB)This sets out the process that System Management will follow in preparing and verifying the Generating Facility Output derived from System Management’s SCADA system and used to assess EGC facility MWh output data, Non-EGC MWh output data, and the operational System Load Estimate. Clauses 7.6A.7 and 7.7.9 1 November 2009 Dispatch
(pdf, 645 KB)
This sets out the processes that System Management and Market Participants must follow in order to meet the dispatch rules.
Clauses
7.2.5, 7.6.13, 7.6A.2, 7.7.4A, 7.7.5A, 7.7.5C, 7.7.5B, 7.7.9, 7.9.19, 7.13.1 (eD), 7.13.3, 7A.3.7, 7A.3.15, 7B.1.4 7.6.10A and 7.13.5
1 October 2017
Facility Outages
(pdf, 214 KB)
This sets out the processes that System Management and Rule Participants must follow in planning for Facility outages. Clauses 3.18.21, 3.19.14, 3.21.12, 4.11.1 (h) 7 April 2014 Glossary
(pdf, 30 KB)This provides a definition of the terms used in the Power System Operating Procedures. 29 September 2006 IMS Interface
(pdf, 374 KB)This Procedure documents the arrangement by which Network Operators and AEMO provide each other with information, including the format, form and manner in which that information must be provided. Clause 2.36A.1 13 October 2017 Monitoring and Reporting
(pdf, 88 KB)
The sets out the procedures System Management will implement to meet its obligation to monitor Rule Participants' compliance with Market Rules and the Power System Operating Procedures. Clause 2.15.4 1 July 2012
Medium Term PASA
(pdf, 71 KB)This sets out the procedures System Management and Rule Participants must follow in the preparation and publishing of the Medium Term PASA. Clause 3.16.10 1 April 2009 Network Modelling Data
(pdf, 300 KB)This Procedure specifies the information that a Network Operator must provide to System Management for each of its Networks, the processes to be followed by Network Operators and AEMO, and the technical and communication criteria that must be met. Clause 2.28.3A 13 October 2017 Operational Data Points for Generating Plant
(pdf, 259 KB)This details System Management’s minimum requirements for the operational data points to be submitted by Market Generators for their generating units. Clause 2.35.4 6 February 2012 Operational Data Points for Non-Western Power Networks, Substations and Loads
(pdf, 126 KB)This details System Management’s minimum requirements for the operational data points to be provided by Market Participants for their networks, substations, and loads. Clause 2.35.4 1 August 2009 Power System Security
(pdf, 105 KB)
This sets out the security standards that must be maintained on the SWIS, and the processes for maintaining these standards while electricity is traded through the market. Clause 3.2.7 1 July 2012
Short Term PASA
(pdf, 97 KB)This sets out the procedures that System Management and Market Participants must follow in the preparation of the Short Term PASA. Clause 3.17 1 April 2009 System Restart Overview
(pdf, 68 KB)This document outlines the actions and response to a black system condition or a major supply disruption. 1 April 2008 System capacity market proceduresName
Description
Head of power
Latest update
This Procedure documents the process Market Participants must follow in applying for Certified Reserve Capacity or Early Certified Reserve Capacity, and AEMO must follow in processing those applications, including to assign Certified Reserve Capacity, set Reserve Capacity Obligation Quantities, and approve Early Certified Reserve Capacity.
Clauses 4.9.10, 4.28C.15
01 Oct 2017
Declaration of Bilateral Trades and the Reserve Capacity Auction
This Procedure covers how Rule Participants propose the level of Certified Reserve Capacity intended to be traded bilaterally and how AEMO processes the declaration and assigns Certified Reserve Capacity.
Clause 4.14.11
30 Nov 2015
This Procedure details the requirements and processes for determining the performance of the market with regard to Reserve Capacity.
Clause 4.27.12
01 Oct 2017
This Procedure outlines how Market Participants holding Certified Reserve Capacity must submit Reserve Capacity Security.
Clause 4.13.8
30 Nov 2015
This Procedure details the Reserve Capacity Testing steps.
Clause 4.25.14
18 Apr 2017
This Procedure describes the process for assigning Capacity Credits to New Small Generators.
Clause 4.28B.9
30 Nov 2015
Undertaking the LT PASA and conducting a review of the Planning Criterion
This Procedure documents the process by which AEMO conducts the Long Term PASA and the review required under clause 4.5.15 of the WEM Rules.
Clause 4.5.14
01 Oct 2017
Determination of Expected DSM Dispatch Quantity and DSM Activation Price This Procedure documents the process by which AEMO calculates the Expected DSM Dispatch Quantity and the DSM Activation Price. Clause 4.5.14B 09 Jun 2017 This Procedure describes the process that AEMO and System Management must follow in acquiring Eligible Services, entering into the Supplementary Capacity Contract, and determining the Maximum Contract Value per hour of availability for any Supplementary Capacity Contract.
Clause 4.24.18
18 Apr 2017
Other Market ProceduresEconomic Regulation Authority Market Procedures can be found here.
Rule Change Panel Market Procedures can be found here, with details of changes to those procedures available here.