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NON-CONFORMANCE Region NSW1 Thursday, 10 April 2025
NON-CONFORMANCE NSW1 Region Thursday, 10 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: QBYNB1
Duration: 10/04/2025 15:25 to 10/04/2025 15:35
Amount: -9 MW
Constraint: NC-N_QBYNB1
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/04/2025
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 11/04/2025
Refer Market Notice 126468
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1520 hrs 10/04/2025.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0900 hrs 11/04/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
Refer to Market Notice 126464.
The cause of the unplanned outage of APD - Heywood - Mortlake 500 kV line in the VIC region has been identified and resolved. The outage has been completed and the APD - Heywood - Mortlake 500 kV line returned to service at 0948 hrs 10/04/2025
Constraint set(s) revoked: V-HYMO
Manager NEM Real Time Operations
Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
At 0825 hrs 10/04/2025 there was an unplanned outage of the APD - Heywood - Mortlake 500 kV line.
The following constraint set(s) invoked at 0835 hrs 10/04/2025
V-HYMO
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1,NSW1-QLD1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
NON-CONFORMANCE Region NSW1 Wednesday, 9 April 2025
NON-CONFORMANCE NSW1 Region Wednesday, 9 April 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: VP6
Duration: 09/04/2025 19:00 to 09/04/2025 19:05
Amount: -38 MW
Constraint: NC-N_VP6
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 10/04/2025
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 10/04/2025
Refer Market Notice 126440
AEMO no longer foresees a possible requirement for intervention to manage power system security in SA region. The advice of possible intervention is cancelled from 1430 hrs 09/04/2025.
Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0800 hrs 10/04/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
Cancellation - Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Cancellation - Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
The foreseeable circumstance identified in Market Notice 126418 is cancelled.
Manager NEM Real Time Operations