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125554POWER SYSTEM EVENTS12/03/2025 12:24:04 PM
Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 12/03/2025
At 1158 hrs the Sheffield George Town No. 1 220kV Line and the Sheffield George Town No. 2 220kV Line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
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 1158 hrs the Sheffield George Town No. 1 220kV Line and the Sheffield George Town No. 2 220kV Line tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125550POWER SYSTEM EVENTS12/03/2025 09:47:07 AM
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 125548
At 09:29 hrs the Burnie - Smithton Tee Port Latta No. 1 110kV Line and the Burnie - Smithton Tee Port Latta No. 2 110kV Line tripped and auto-reclosed (2nd event).
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: Burnie - Smithton Tee Port Latta No. 1 110kV Line and Burnie - Smithton Tee Port Latta No. 2 110kV Line
Duration: 0940 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 125548
At 09:29 hrs the Burnie - Smithton Tee Port Latta No. 1 110kV Line and the Burnie - Smithton Tee Port Latta No. 2 110kV Line tripped and auto-reclosed (2nd event).
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: Burnie - Smithton Tee Port Latta No. 1 110kV Line and Burnie - Smithton Tee Port Latta No. 2 110kV Line
Duration: 0940 hrs 12/03/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
125548POWER SYSTEM EVENTS12/03/2025 09:46:32 AM
Non-credible contingency event - TAS region - 12/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 12/03/2025
At 0909 hrs the Burnie -Smithton Tee Port Latta No. 1 110kV Line and the Burnie -Smithton Tee Port Latta No. 2 110kV Line tripped and auto-reclosed.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
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 0909 hrs the Burnie -Smithton Tee Port Latta No. 1 110kV Line and the Burnie -Smithton Tee Port Latta No. 2 110kV Line tripped and auto-reclosed.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125521NON-CONFORMANCE11/03/2025 11:55:21 AM
NON-CONFORMANCE Region NSW1 Tuesday, 11 March 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Tuesday, 11 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 11/03/2025 11:25 to 11/03/2025 11:55
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Tuesday, 11 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 11/03/2025 11:25 to 11/03/2025 11:55
Amount: -9 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
125517POWER SYSTEM EVENTS11/03/2025 10:05:23 AM
Non-credible contingency event - SA region - 11/03/2025
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 11/03/2025
At 0917 hrs the Penola West - South East 132 kV line and the Kincraig - Penola West 132 kV line tripped.
AEMO did not instruct load shedding.
Approximately 3 MW of electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 11/03/2025
At 0917 hrs the Penola West - South East 132 kV line and the Kincraig - Penola West 132 kV line tripped.
AEMO did not instruct load shedding.
Approximately 3 MW of electrical load has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
125474NON-CONFORMANCE10/03/2025 01:05:17 PM
NON-CONFORMANCE Region QLD1 Monday, 10 March 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Monday, 10 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 10/03/2025 13:00 to 10/03/2025 13:05
Amount: -11 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Monday, 10 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 10/03/2025 13:00 to 10/03/2025 13:05
Amount: -11 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
125452RESERVE NOTICE09/03/2025 08:16:22 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 09/03/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 125446 is cancelled at 2015 hrs 09/03/2025.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 125446 is cancelled at 2015 hrs 09/03/2025.
Manager NEM Real Time Operations
125446RESERVE NOTICE09/03/2025 07:11:28 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 09/03/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1930 hrs 09/03/2025 to 2030 hrs 09/03/2025.
The forecast capacity reserve requirement is 650 MW.
The minimum capacity reserve available is 600 MW.
Manager NEM Real Time 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 Period:
[1.] From 1930 hrs 09/03/2025 to 2030 hrs 09/03/2025.
The forecast capacity reserve requirement is 650 MW.
The minimum capacity reserve available is 600 MW.
Manager NEM Real Time Operations
125425RESERVE NOTICE09/03/2025 11:56:43 AM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the SA Region on 09/03/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 125424 is cancelled at 1200 hrs 09/03/2025.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the SA region advised in AEMO Electricity Market Notice No. 125424 is cancelled at 1200 hrs 09/03/2025.
Manager NEM Real Time Operations