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125263RECLASSIFY CONTINGENCY04/03/2025 05:06:10 PM
Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV line in QLD1 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: QLD1
Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV
Duration: 04/03/2025 17:06 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: QLD1
Lines: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV
Duration: 04/03/2025 17:06 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
125262RECLASSIFY CONTINGENCY04/03/2025 04:16:25 PM
Reclassification of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV LINE line in QLD1 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: QLD1
Lines: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 04/03/2025 16:16 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: QLD1
Lines: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Duration: 04/03/2025 16:16 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
125261RECLASSIFY CONTINGENCY04/03/2025 03:59:16 PM
Reclassification of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 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: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Duration: 04/03/2025 15:59 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: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Duration: 04/03/2025 15:59 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
125251NON-CONFORMANCE04/03/2025 12:00:17 PM
NON-CONFORMANCE Region NSW1 Tuesday, 4 March 2025
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE NSW1 Region Tuesday, 4 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 04/03/2025 11:55 to 04/03/2025 12:00
Amount: -33 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE NSW1 Region Tuesday, 4 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 04/03/2025 11:55 to 04/03/2025 12:00
Amount: -33 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
125219INTER-REGIONAL TRANSFER03/03/2025 11:31:48 AM
Inter-regional transfer limit variation - Halys - Tarong 8868 275 kV Line - QLD region - 03/03/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - Halys - Tarong 8868 275 kV Line - QLD region - 03/03/2025
At 1115 hrs 03/03/2025 there was a short notice outage of Halys - Tarong 8868 275 kV Line.
The following constraint set(s) invoked at 1115 hrs 03/03/2025
Q-HATR
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Halys - Tarong 8868 275 kV Line - QLD region - 03/03/2025
At 1115 hrs 03/03/2025 there was a short notice outage of Halys - Tarong 8868 275 kV Line.
The following constraint set(s) invoked at 1115 hrs 03/03/2025
Q-HATR
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
125212RECLASSIFY CONTINGENCY02/03/2025 03:29:01 PM
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 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: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 02/03/2025 15:28
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 125209
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: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 02/03/2025 15:28
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 125209
Auto-generated on behalf of Manager NEM Real Time Operations
125209RECLASSIFY CONTINGENCY02/03/2025 02:25:05 PM
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 02/03/2025 14:25 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 02/03/2025 14:25 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
125168RESERVE NOTICE01/03/2025 06:43:38 PM
Cancellation of Actual (LOR1) condition in the NSW region - 01/03/2025
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR1) condition in the NSW region - 01/03/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.125159 is cancelled at 1842 hrs 01/03/2025.
Manager NEM Real Time Operations
Cancellation of Actual (LOR1) condition in the NSW region - 01/03/2025
The Actual LOR1 Condition in the NSW Region advised in AEMO Electricity Market Notice No.125159 is cancelled at 1842 hrs 01/03/2025.
Manager NEM Real Time Operations
125159RESERVE NOTICE01/03/2025 05:43:58 PM
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/03/2025
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/03/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1354 MW
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the NSW region - 01/03/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1830 hrs
The capacity reserve requirement is 1400 MW
The minimum capacity reserve available is 1354 MW
Manager NEM Real Time Operations