AEMO Procedure change proposals
View all current AEMO Market Procedures
AEMO procedure changes being considered
| ID | Date Submitted | Title | Next Step | Closing Date |
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AEMO procedure changes with consultation period open
| ID | Date Submitted | Title | Next Step |
Closing Date |
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AEMO procedure changes with consultation period closed
Dates in italics are indicative only and subject to change.
| ID | Date Submitted | Title | Next Step | Date |
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AEMO procedure change proposals that have been withdrawn or rejected
Dates in italics are indicative only and subject to change.
| ID | Date Submitted | Title | Next Step | Date |
|---|---|---|---|---|
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02/04/2020 |
Revisions to BMO tie-break methodology |
Rejected |
30/04/2021 |
AEMO procedure changes that have commenced
|
ID |
Date Submitted |
Title |
Next Step |
Date |
|---|---|---|---|---|
|
28/03/2024 |
Supplementary Capacity v6.0 |
Commenced |
01/04/2023 |
|
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28/02/2024 |
Certification of Reserve Capacity |
Consultation |
12/04/2024 |
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26/10/2023 |
Dispatch Algorithm Formulation Updates |
Commenced |
12/12/2023 |
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20/06/23 |
Reserve Capacity Security v7.0 |
Commenced |
02/10/2023 |
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12/12/2022 |
Distributed Energy Resource (DER) Register Information |
Commenced |
02/10/2023 |
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20/06/23 |
Reserve Capacity Security v6.0 |
Commenced |
18/08/2023 |
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30/06/23 |
Supplementary Capacity |
Commenced |
01/07/2023 |
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| AEPC_2022_01 |
11/11/2022 |
Certification of Reserve Capacity for the 2022 and 2023 Reserve Capacity Cycle |
Commenced |
20/12/2022 |
| AEPC_2021_04 |
17/12/2021 |
Market Procedure: Prudential Requirements |
Commenced |
28/2/2021 |
|
27/7/2021 |
Reserve Capacity Testing |
Commenced |
1/10/2021 |
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9/8/2021 |
Capacity Credit Allocation |
Commenced |
16/9/2021 |
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9/8/2021 |
Settlement |
Commenced |
16/9/2021 |
|
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21/01/2021 |
Facility Registration, De-registration and Transfer |
Commenced |
19/03/2021 |
|
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21/01/2021 |
Settlement |
Commenced |
19/03/2021 |
|
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21/08/2020 |
Declaration of Bilateral Trades and the Reserve Capacity Auction |
Commenced |
16/10/2020 |
|
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10/06/2020 |
Reduction of Prudential Exposure (Phase 2) |
Commenced |
24/08/2020 |
|
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19/05/2020 |
Market Procedure: Reserve Capacity Testing |
Commenced |
01/08/2020 |
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N/A |
01/07/2020 |
Commenced |
01/07/2020 |
|
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18/05/2020 |
Market Procedure: Reserve Capacity Security |
Commenced |
01/07/2020 |
|
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12/03/2019 |
Market Procedure: Certification of Reserve Capacity |
Commenced |
15/06/2020 |
|
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04/11/2019 |
Prudential Requirements - Credit Limit Calculation |
Commenced |
09/12/2019 |
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16/12/2019 |
Facility Outages |
Commenced |
01/02/2020 |
|
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9/08/2019 |
Formalisation of the Process for Maintenance Applications |
Commenced |
01/10/2019 |
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20/04/2018 |
Communications and control systems |
Commenced |
01/07/2019 |
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08/05/2019 |
Dispatch |
Commenced |
01/07/2019 |
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08/05/2019 |
Removal of Resource Plans and Dispatchable Loads |
Commenced |
01/07/2019 |
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01/05/2019 |
Ancillary Services |
Commenced |
01/07/2019 |
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01/05/2019 |
Power System Security |
Commenced |
01/07/2019 |
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20/04/2018 |
Market Procedure - IMS Interface |
Commenced |
01/07/2019 |
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18/03/2019 |
Reduction of Prudential Exposure in the Reserve Capacity Mechanism |
Commenced |
27/06/2019 |
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29/01/2018 |
Market Procedure - Monitoring and Reporting Protocol |
Commenced |
22/05/2019 |
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22/02/2019 |
Short Term Projected Assessment of System Adequacy |
Commenced |
01/06/2019 |
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22/02/2019 |
Medium Term Projected Assessment of System Adequacy |
Commenced |
01/06/2019 |
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22/02/2019 |
Commissioning Tests |
Commenced |
01/06/2019 |
|
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18/03/2019 |
Reduction of Prudential Exposure in the Reserve Capacity Mechanism |
Commenced |
01/05/2019 |
|
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15/10/2018 |
PSOP - Facility Outages |
Commenced |
07/01/2019 |
|
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06/02/2018 |
PSOP - Tolerance Ranges |
Commenced |
21/04/2018 |
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06/07/2017 |
Market Procedure - Individual Reserve Capacity Requirements |
Commenced |
03/11/2017 |
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19/07/2017 |
PSOP - Network Modelling Data |
Commenced |
13/10/2017 |
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19/07/2017 |
Market Procedure - IMS Interface |
Commenced |
13/10/2017 |
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21/07/2017 |
PSOP - Dispatch |
Commenced |
01/10/2017 |
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21/07/2017 |
Market Procedure - Notices and Communications |
Commenced |
01/10/2017 |
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06/07/2017 |
Market Procedure - Undertaking the Long Term PASA and conducting a review of the planning criterion |
Commenced |
01/10/2017 |
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06/07/2017 |
Market Procedure - Reserve Capacity Performance Monitoring |
Commenced |
01/10/2017 |
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27/06/2017 |
Market Procedure - Certification of Reserve Capacity |
Commenced |
01/10/2017 |
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02/06/2017 |
Market Procedure: Determination of DSM Dispatch Payment Tranches and Adjustments |
Commenced |
01/10/2017 |
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23/03/2017 |
Market Procedure: Determination of Expected DSM Dispatch Quantity and DSM Activation Price |
Commenced |
08/06/2017 |
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03/04/2017 |
Commenced |
18/04/2017 |
IMO procedure changes up to 2015
Procedure Changes with consultation period closed
| ID | Date Submitted | Title | Submitter | Next Step | Date |
|---|---|---|---|---|---|
|
18/06/2013 |
Changes to Market Procedure for Notices and Communications |
IMO |
Procedure Change Report Published |
TBA |
Procedure Changes that have Commenced
| ID | Date Submitted | Title | Submitter | Next Step | Date |
|---|---|---|---|---|---|
|
17/04/2008 |
Market Procedure for Registration of Rule Participants |
IMO |
Commenced |
12/06/2008 |
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17/04/2008 |
Market Procedure for Facility Registration, Facility De-registration and Facility Transfer |
IMO |
Commenced |
12/06/2008 |
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17/04/2008 |
Market Procedure for Web Site Changes |
IMO |
Commenced |
12/06/2008 |
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17/04/2008 |
Market Procedure for Certification of Reserve Capacity |
IMO |
Commenced |
15/07/2008 |
|
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17/04/2008 |
Market Procedure for Declaration of Bilateral Trades and the Reserve Capacity Auction |
IMO |
Commenced |
15/07/2008 |
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01/08/2008 |
Market Procedure for Determination of the Maximum Reserve Capacity Price |
IMO |
Commenced |
13/10/2008 |
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01/08/2008 |
Market Procedure for Reserve Capacity Performance Monitoring |
IMO |
Commenced |
15/10/2008 |
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01/08/2008 |
Market Procedure for Prudential Requirements |
IMO |
Commenced |
15/10/2008 |
|
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01/08/2008 |
Market Procedure: Monitoring Protocol |
IMO |
Commenced |
20/10/2008 |
|
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01/08/2008 |
Market Procedure for Procurement of Network Control Service |
IMO |
Commenced |
20/10/2008 |
|
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16/10/2008 |
Market Procedure: Facility Registration, Facility De-registration and Facility Transfer |
IMO |
Commenced |
26/11/2008 |
|
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30/10/2008 |
Market Procedure for Determination of Maximum Reserve Capacity Price |
IMO |
Commenced |
04/12/2008 |
|
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27/10/2008 |
Market Procedure for Individual Reserve Capacity Requirements |
IMO |
Commenced |
11/12/2008 |
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15/12/2008 |
Notices and Communications |
IMO |
Commenced |
20/01/2009 |
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11/05/2009 |
Reserve Capacity Security |
IMO |
Commenced |
24/07/2009 |
|
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04/08/2009 |
Market Procedure for Procedure Administration |
IMO |
Commenced |
01/10/2009 |
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11/05/2009 |
Market Procedure for Registration and De-registration of Rule Participants |
IMO |
Commenced |
24/07/2009 |
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30/09/2009 |
Market Procedure for Declaration of Bilateral Trades and the Reserve Capacity Auction |
IMO |
Commenced |
01/01/2010 |
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04/08/2009 |
Market Procedure for Meter Data Submissions |
IMO |
Commenced |
01/10/2009 |
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04/01/2010 |
Market Procedure for Reserve Capacity Testing (V3) |
IMO |
Commenced |
01/10/2010 |
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04/01/2010 |
Market Procedure for Undertaking the LT PASA and conducting a Review of the Planning Criterion |
IMO |
Commenced |
01/06/2010 |
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20/11/2009 |
Market Procedure for the Determination of Maximum Reserve Capacity Price |
IMO |
Commenced |
01/04/2010 |
|
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30/08/2010 |
Changes to Market Procedure for Procedure Administration |
IMO |
Commenced |
08/11/2010 |
|
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30/08/2010 |
Changes to Market Procedure for Notices and Communications |
IMO |
Commenced |
08/11/2010 |
|
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09/08/2010 |
Market Procedure for the Determination of Maximum Reserve Capacity Price |
IMO |
Commenced |
11/10/2010 |
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15/11/2011 |
Changes to Market Procedure for Reserve Capacity Performance Monitoring |
IMO |
Commenced |
18/04/2011 |
|
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20/09/2010 |
Changes to Market Procedure for Certification of Reserve Capacity |
IMO |
Commenced |
15/12/2010 |
|
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15/11/2010 |
Changes to Market Procedure for Web Site Changes |
IMO |
Commenced |
24/01/2011 |
|
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22/11/2010 |
Changes to Market Procedure for Supplementary Reserve Capacity |
IMO |
Commenced |
23/01/2012 |
|
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28/03/2011 |
Revocation of Market Procedure for Procurement of Network Control Service |
IMO |
Commenced |
01/07/2011 |
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31/03/2011 |
Market Procedure for Data and IT Interface Requirements |
IMO |
Commenced |
01/07/2011 |
|
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06/04/2011 |
Transitional arrangements for the Registration of Demand Side Programmes and the association of Non-Dispatchable Loads (New Market Procedure) |
IMO |
Commenced |
01/07/2011 |
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05/08/2011 |
Market Procedure for Reserve Capacity Testing |
IMO |
Commenced |
01/10/2011 |
|
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06/09/2011 |
5-Yearly Review of the Methodology and Process for Determining the Maximum Reserve Capacity Price |
IMO |
Commenced |
24/10/2011 |
|
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1/11/2011 |
Changes to Market Procedure for Procedure Administration |
IMO |
Commenced |
1/01/2012 |
|
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18/01/2012 |
Changes to Market Procedure for Reserve Capacity Security |
IMO |
Commenced |
02/04/2012 |
|
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06/01/2012 |
New Market Procedure for Balancing Facility Requirements |
IMO |
Commenced |
01/07/2012 |
|
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06/01/2012 |
New Market Procedure for Balancing Market Forecasts |
IMO |
Commenced |
01/07/2012 |
|
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03/02/2012 |
New Market Procedure for IMS Interface |
IMO |
Commenced |
01/07/2012 |
|
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11/06/2012 |
Amendments to Market Procedure for Data and IT Interface |
IMO |
Commenced |
13/08/2012 |
|
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27/09/2012 |
Changes to Reserve Capacity Procedure for Declaration of Bilateral Trades and the Reserve Capacity Auction |
IMO |
Commenced |
25/02/2013 |
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03/09/2012 |
Changes to Market Procedure for Certification of Reserve Capacity |
IMO |
Commenced |
18/03/2013 |
|
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12/11/2012 |
Amendments to Market Procedure for Maximum Reserve Capacity Price |
IMO |
Commenced |
15/01/2013 |
|
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15/03/2013 |
Changes to Market Procedure for Determining Loss Factors |
IMO |
Commenced |
20/05/2013 |
|
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05/11/2012 |
Amendments to Market Procedure for IMS Interface |
IMO |
Commenced |
22/04/2013 |
|
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02/07/2013 |
Changes to Market Procedure for Rule Participant Registration and De-Registration |
IMO |
Commenced |
01/11/2013 |
|
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02/07/2013 |
Changes to Market Procedure for Facility Registration, De-Registration and Transfer |
IMO |
Commenced |
01/11/2013 |
|
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13/01/2014 |
Changes to Market Procedure for Prudential Requirements |
IMO |
Commenced |
01/05/2014 |
|
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10/02/2014 |
Changes to Market Procedure for Certification for Reserve Capacity |
IMO |
Commenced |
01/01/2015 |
|
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21/11/2013 |
Amendments to Market Procedure for Settlement |
IMO |
Commenced |
01/01/2014 |
|
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30/08/2013 |
Amendments to Market Procedure for IMS Interface |
IMO |
Commenced |
02/10/2013 |
|
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14/02/2014 |
Changes to Market Procedure for Bilateral Trade Declarations and Reserve Capacity Auction |
IMO |
Commenced |
16/04/2014 |
|
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14/07/2014 |
Changes to Market Procedure for Reserve Capacity Security |
IMO |
Commenced |
19/01/2015 |
Procedure Change Proposals that have been Withdrawn or Rejected
| ID | Date submitted | Title | Submitter | Next step | Date |
|---|---|---|---|---|---|
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16/10/2008 |
Market Procedure for Individual Reserve Capacity Requirements |
IMO |
Withdrawn |
27/10/2008 |
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17/11/2010 |
Changes to Market Procedure for Monitoring Protocol |
IMO |
Withdrawn |
24/11/2011 |
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10/02/2014 |
Changes to Market Procedure for Reserve Capacity Performance Monitoring |
IMO |
Rejected |
02/04/2015 |
System Management procedure changes up to 2015
Current Power System Operation Procedures can be found here
Procedure Change Proposals which have Commenced
| ID | Date submitted | Title | Submitter | Next step | Date |
|---|---|---|---|---|---|
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11/02/2008 |
System Restart Overview |
System Management |
Commenced |
01/04/2008 |
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6/11/2008 |
Power System Security |
System Management |
Commenced |
01/02/2009 |
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14/01/2009 |
Facility Outages |
System Management |
Commenced |
01/04/2009 |
|
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14/01/2009 |
Ancillary Services |
System Management |
Commenced |
01/04/2009 |
|
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14/01/2009 |
MT PASA |
System Management |
Commenced |
01/04/2009 |
|
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14/01/2009 |
ST PASA |
System Management |
Commenced |
01/04/2009 |
|
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11/05/2009 |
Operational Data Points for Generating Plant |
System Management |
Commenced |
01/08/2009 |
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11/05/2009 |
Operational Data Points for Non-Western Power Networks, Substations and Loads |
System Management |
Commenced |
01/08/2009 |
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05/06/2009 |
Commissioning and Testing |
System Management |
Commenced |
01/09/2009 |
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05/06/2009 |
Cleansing of Generation Facility MWh Output Data |
System Management |
Commenced |
01/11/2009 |
|
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23/06/2009 |
Communications and Control Systems |
System Management |
Commenced |
01/09/2009 |
|
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12/08/2009 |
Monitoring and Reporting |
System Management |
Commenced |
01/10/2009 |
|
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18/08/2009 |
Dispatch |
System Management |
Commenced |
01/03/2010 |
|
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27/11/2009 |
Dispatch |
System Management |
Commenced |
01/03/2010 |
|
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13/01/2010 |
Dispatch |
System Management |
Commenced |
01/04/2010 |
|
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06/12/2010 |
Commissioning and Testing |
System Management |
Commenced |
01/08/2011 |
|
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06/12/2010 |
Facility Outages |
System Management |
Commenced |
01/08/2011 |
|
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03/03/2011 |
Dispatch |
System Management |
Commenced |
01/08/2011 |
|
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03/03/2011 |
Monitoring and Reporting Protocol |
System Management |
Commenced |
01/08/2011 |
|
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04/11/2011 |
Operational Data Points |
System Management |
Commenced |
06/02/2012 |
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04/01/2012 |
Replaced PSOPs: Competitive Balancing and Load Following Market 1 |
System Management |
Commenced |
01/07/2012 |
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12/01/2012 |
Replaced PSOPs: Competitive Balancing and Load Following Market 2 |
System Management |
Commenced |
01/07/2012 |
|
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12/01/2012 |
Replaced PSOPs: Competitive Balancing and Load Following Market 3 |
System Management |
Commenced |
01/07/2012 |
|
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21/06/2013 |
Revised PSOP: Commissioning and Testing |
System Management |
Commenced |
01/03/2014 |
|
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10/02/2014 |
Changes to PSOP: Facility Outages as a result of RC_2012_11: Transparency of Outage Information |
System Management |
Commenced |
07/04/2014 |
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11/12/2013 |
Revised PSOP: Dispatch |
System Management |
Commenced |
05/03/2014 |
Procedure Change Proposals which have been Rejected
| ID | Date submitted | Title | Submitter | Date of Decision |
|---|---|---|---|---|
|
14/03/2013 |
Revised PSOP: Monitoring and Reporting Protocol |
System Management |
01/08/2013 |