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127877MARKET SYSTEMS27/06/2025 09:08:43 AM
CHG0103089 - ERI & STPASA Recall Period Production Release
Change Number: CHG0103089
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: ERI & STPASA Recall Period Production Release
Change Start Date & Time: 30/06/2025 09:00:00
Change End Date & Time: 04/07/2025 18:00:00
Outage Start Date & Time: 30/06/2025 11:45:00
Outage End Date & Time: 30/06/2025 11:55:00
Environment: Production
Participant Impact and Requirements: Under this change, AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-Minute Predispatch, Predispatch and PD7 to a new version. AEMO will also upgrade other relevant applications for Dispatch, 5-Minute Predispatch, Predispatch, PD7, Bidding, SOMMS and?Registration. This change will become effective upon rule commencement on 1 July, 2025
Impact : A Planned outage for BIDDING application is scheduled on 30th June 2025 between 11:45 AM and 11:55 AM. The application will be unavailable for approximately 5-7 min during this window.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: EMMS - Dispatch
Change Title: ERI & STPASA Recall Period Production Release
Change Start Date & Time: 30/06/2025 09:00:00
Change End Date & Time: 04/07/2025 18:00:00
Outage Start Date & Time: 30/06/2025 11:45:00
Outage End Date & Time: 30/06/2025 11:55:00
Environment: Production
Participant Impact and Requirements: Under this change, AEMO will upgrade the NEMDE solver used in Production for Dispatch, 5-Minute Predispatch, Predispatch and PD7 to a new version. AEMO will also upgrade other relevant applications for Dispatch, 5-Minute Predispatch, Predispatch, PD7, Bidding, SOMMS and?Registration. This change will become effective upon rule commencement on 1 July, 2025
Impact : A Planned outage for BIDDING application is scheduled on 30th June 2025 between 11:45 AM and 11:55 AM. The application will be unavailable for approximately 5-7 min during this window.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities.
127874RESERVE NOTICE26/06/2025 03:09:40 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 30/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127853 has been updated at 1400 hrs 26/06/2025 to the following:
1. From 0700 hrs to 0800 hrs 30/06/2025.
The forecast capacity reserve requirement is 1558 MW.
The minimum capacity reserve available is 1355 MW.
2. From 1630 hrs to 2200 hrs 30/06/2025.
The forecast capacity reserve requirement is 1558 MW.
The minimum capacity reserve available is 1009 MW.
AEMO Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 127853 has been updated at 1400 hrs 26/06/2025 to the following:
1. From 0700 hrs to 0800 hrs 30/06/2025.
The forecast capacity reserve requirement is 1558 MW.
The minimum capacity reserve available is 1355 MW.
2. From 1630 hrs to 2200 hrs 30/06/2025.
The forecast capacity reserve requirement is 1558 MW.
The minimum capacity reserve available is 1009 MW.
AEMO Operations
127873RESERVE NOTICE26/06/2025 03:09:40 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 30/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 127854 is cancelled at 1400 hrs 26/06/2025.
AEMO Operations
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 127854 is cancelled at 1400 hrs 26/06/2025.
AEMO Operations
127872RESERVE NOTICE26/06/2025 03:09:40 PM
STPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 02/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127858 has been updated at 1400 hrs 26/06/2025 to the following:
1. From 0700 hrs to 0900 hrs 02/07/2025.
The forecast capacity reserve requirement is 459 MW.
The minimum capacity reserve available is 443 MW.
2. From 1730 hrs to 2230 hrs 02/07/2025.
The forecast capacity reserve requirement is 466 MW.
The minimum capacity reserve available is 449 MW.
AEMO Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127858 has been updated at 1400 hrs 26/06/2025 to the following:
1. From 0700 hrs to 0900 hrs 02/07/2025.
The forecast capacity reserve requirement is 459 MW.
The minimum capacity reserve available is 443 MW.
2. From 1730 hrs to 2230 hrs 02/07/2025.
The forecast capacity reserve requirement is 466 MW.
The minimum capacity reserve available is 449 MW.
AEMO Operations
127871RESERVE NOTICE26/06/2025 03:09:30 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127859 is cancelled at 1400 hrs 26/06/2025.
AEMO Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 127859 is cancelled at 1400 hrs 26/06/2025.
AEMO Operations
127870RESERVE NOTICE26/06/2025 03:09:30 PM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 01/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 127860 is cancelled at 1400 hrs 26/06/2025.
AEMO Operations
The Forecast LOR1 condition in the VIC region advised in AEMO Electricity Market Notice No. 127860 is cancelled at 1400 hrs 26/06/2025.
AEMO Operations
127863RECLASSIFY CONTINGENCY25/06/2025 04:34:25 PM
Cancellation of a Non-Credible Contingency Event: Yallourn - Rowville 7 220 kV line and Yallourn - Rowville 8 220 kV line in VIC1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Cancellation time: 25/06/2025 16:34
Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 127855
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: VIC1
Lines: Yallourn - Rowville 7 220 kV and Yallourn - Rowville 8 220 kV
Cancellation time: 25/06/2025 16:34
Constraint set(s) revoked:
V-ROYP78_R_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 127855
Auto-generated on behalf of Manager NEM Real Time Operations
127860RESERVE NOTICE25/06/2025 04:35:44 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the VIC Region on 01/07/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the VIC region for the following periods:
From 0000 hrs to 0030 hrs 01/07/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 1010 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the VIC region for the following periods:
From 0000 hrs to 0030 hrs 01/07/2025.
The forecast capacity reserve requirement is 1163 MW.
The minimum capacity reserve available is 1010 MW.
AEMO Operations
127859RESERVE NOTICE25/06/2025 04:35:44 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 03/07/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
From 0330 hrs to 0400 hrs 03/07/2025.
The forecast capacity reserve requirement is 467 MW.
The minimum capacity reserve available is 253 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following periods:
From 0330 hrs to 0400 hrs 03/07/2025.
The forecast capacity reserve requirement is 467 MW.
The minimum capacity reserve available is 253 MW.
AEMO Operations