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125621INTER-REGIONAL TRANSFER14/03/2025 06:03:13 AM
Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 14/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 14/03/2025
At 0457 hrs 14/03/2025 there was an unplanned outage of Hummocks - Waterloo 132 kV line.
The following constraint set(s) invoked at 0505 hrs 14/03/2025
S-HUWT
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 14/03/2025
At 0457 hrs 14/03/2025 there was an unplanned outage of Hummocks - Waterloo 132 kV line.
The following constraint set(s) invoked at 0505 hrs 14/03/2025
S-HUWT
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
125620INTER-REGIONAL TRANSFER14/03/2025 06:03:11 AM
Inter-regional transfer limit variation - Hummocks - Bungama 132 kV line - SA region - 14/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Hummocks - Bungama 132 kV line - SA region - 14/03/2025
At 0457 hrs 14/03/2025 there was an unplanned outage of Hummocks - Bungama 132 kV line.
The following constraint set(s) invoked at 0505 hrs 14/03/2025
S-HUBG
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Hummocks - Bungama 132 kV line - SA region - 14/03/2025
At 0457 hrs 14/03/2025 there was an unplanned outage of Hummocks - Bungama 132 kV line.
The following constraint set(s) invoked at 0505 hrs 14/03/2025
S-HUBG
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
125599RESERVE NOTICE13/03/2025 03:02:59 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1700 hrs to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1728 MW.
The minimum capacity reserve available is 1129 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1700 hrs to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1728 MW.
The minimum capacity reserve available is 1129 MW.
AEMO Operations
125598RESERVE NOTICE13/03/2025 03:02:59 PM
STPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 15/03/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1730 hrs to 1900 hrs 15/03/2025.
The forecast capacity reserve requirement is 1613 MW.
The minimum capacity reserve available is 1540 MW.
AEMO Operations
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the NSW region for the following period:
From 1730 hrs to 1900 hrs 15/03/2025.
The forecast capacity reserve requirement is 1613 MW.
The minimum capacity reserve available is 1540 MW.
AEMO Operations
125568POWER SYSTEM EVENTS12/03/2025 03:00:00 PM
Update - Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125564
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line
Duration: 1500 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125564
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line
Duration: 1500 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
125566POWER SYSTEM EVENTS12/03/2025 02:58:09 PM
Update - Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125556
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Sheffield - Burnie No. 1 220kV Line, Sheffield - Burnie No. 2 110kV Line and the Ulverstone - Emu Bay 110kV Line
Duration: 1400 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125556
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: TAS
Elements: Sheffield - Burnie No. 1 220kV Line, Sheffield - Burnie No. 2 110kV Line and the Ulverstone - Emu Bay 110kV Line
Duration: 1400 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
125564POWER SYSTEM EVENTS12/03/2025 02:33:32 PM
Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 12/03/2025
At 1303 hrs the Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line tripped and auto reclosed.
AEMO did not instruct load shedding.
Approximately 12MW of bulk electrical load was disconnected momentarily.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 12/03/2025
At 1303 hrs the Ulverstone - Emu Bay 110kV Line and the Ulverstone - Sheffield tee Paloona 110kV Line tripped and auto reclosed.
AEMO did not instruct load shedding.
Approximately 12MW of bulk electrical load was disconnected momentarily.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125561POWER SYSTEM EVENTS12/03/2025 02:12:35 PM
Update - Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125555
Updated elements: Sheffield George Town No. 1 220kV Line, Sheffield George Town No. 2 220kV Line plus 40 MW load loss at Nystar and 56 MW load loss at Temco.
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 12/03/2025
Refer AEMO Electricity Market Notice 125555
Updated elements: Sheffield George Town No. 1 220kV Line, Sheffield George Town No. 2 220kV Line plus 40 MW load loss at Nystar and 56 MW load loss at Temco.
Manager NEM Real Time Operations
125560INTER-REGIONAL TRANSFER12/03/2025 02:20:15 PM
Inter-regional transfer limit variation - Directlink Cables 1 and 2 - NSW region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Directlink Cables 1 and 2 - NSW region - 12/03/2025
An unplanned outage of Directlink Cables 1 and 2 in the NSW region was scheduled to return to service at 1700 hrs 12/03/2025.
The outage has been completed and Directlink Cables 1 and 2 returned to service at 1350 hrs 12/03/2025
Constraint set(s) revoked: N-X_MBTE_3
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Directlink Cables 1 and 2 - NSW region - 12/03/2025
An unplanned outage of Directlink Cables 1 and 2 in the NSW region was scheduled to return to service at 1700 hrs 12/03/2025.
The outage has been completed and Directlink Cables 1 and 2 returned to service at 1350 hrs 12/03/2025
Constraint set(s) revoked: N-X_MBTE_3
Manager NEM Real Time Operations