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127778MARKET SYSTEMS24/06/2025 10:52:42 AM
Completed - CHG0103783 - Planned maintenance affecting the AEMO Market Network.
Change Number: CHG0103783
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: MarketNet
Change Title: Planned maintenance affecting the AEMO Market Network.
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
127777RESERVE NOTICE24/06/2025 10:33:27 AM
STPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 01/07/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 0000 hrs to 0400 hrs 01/07/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 102 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:
From 0000 hrs to 0400 hrs 01/07/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 102 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
127776RESERVE NOTICE24/06/2025 10:33:07 AM
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 30/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127774 has been updated at 1000 hrs 24/06/2025 to the following:
1. From 0700 hrs to 1030 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 42 MW.
2. From 1700 hrs to 2359 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 6 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127774 has been updated at 1000 hrs 24/06/2025 to the following:
1. From 0700 hrs to 1030 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 42 MW.
2. From 1700 hrs to 2359 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 6 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
127775RESERVE NOTICE24/06/2025 09:46:22 AM
STPASA - Cancellation of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 01/07/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127728 is cancelled at 0900 hrs 24/06/2025.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127728 is cancelled at 0900 hrs 24/06/2025.
AEMO Operations
127774RESERVE NOTICE24/06/2025 09:46:02 AM
STPASA - Update of the Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 30/06/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127754 has been updated at 0900 hrs 24/06/2025 to the following:
1. From 0730 hrs to 0930 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 33 MW.
2. From 1700 hrs to 2300 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 0 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
The Forecast LOR2 condition in the SA region advised in AEMO Electricity Market Notice No. 127754 has been updated at 0900 hrs 24/06/2025 to the following:
1. From 0730 hrs to 0930 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 33 MW.
2. From 1700 hrs to 2300 hrs 30/06/2025.
The forecast capacity reserve requirement is 200 MW.
The minimum capacity reserve available is 0 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time it would need to intervene through an AEMO intervention event.
AEMO Operations
127772RECLASSIFY CONTINGENCY24/06/2025 09:16:00 AM
Reclassification of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Palmerston - Hadspen 3 & 4 110kV and
Duration: 24/06/2025 09:15 until further notice
Constraint set(s) invoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Palmerston - Hadspen 3 & 4 110kV and
Duration: 24/06/2025 09:15 until further notice
Constraint set(s) invoked:
T-HAPM_110_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
127771RECLASSIFY CONTINGENCY24/06/2025 08:42:35 AM
Reclassification of a Non-Credible Contingency Event: Sheffield - George Town 1 & 2 220kV line and line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Sheffield - George Town 1 & 2 220kV and
Duration: 24/06/2025 08:42 until further notice
Constraint set(s) invoked:
T-GTSH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Sheffield - George Town 1 & 2 220kV and
Duration: 24/06/2025 08:42 until further notice
Constraint set(s) invoked:
T-GTSH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
Auto-generated on behalf of Manager NEM Real Time Operations
127770RECLASSIFY CONTINGENCY24/06/2025 08:20:05 AM
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Duration: 24/06/2025 08:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Duration: 24/06/2025 08:20 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
127769RECLASSIFY CONTINGENCY24/06/2025 07:06:40 AM
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 24/06/2025 07:06 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.
Region: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 24/06/2025 07:06 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations