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126465INTER-REGIONAL TRANSFER10/04/2025 10:00:31 AM
Update - Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
126464INTER-REGIONAL TRANSFER10/04/2025 08:49:30 AM
Inter-regional transfer limit variation - APD - Heywood - Mortlake 500 kV line - VIC region - 10/04/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
126444RESERVE NOTICE09/04/2025 04:43:48 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 09/04/2025
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:
[1.] From 1730 hrs 09/04/2025 to 1800 hrs 09/04/2025.
The forecast capacity reserve requirement is 1519 MW.
The minimum capacity reserve available is 1500 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 NSW region for the following Period:
[1.] From 1730 hrs 09/04/2025 to 1800 hrs 09/04/2025.
The forecast capacity reserve requirement is 1519 MW.
The minimum capacity reserve available is 1500 MW.
Manager NEM Real Time Operations
126443RESERVE NOTICE09/04/2025 02:47:55 PM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 10/04/2025.
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 126441 is cancelled at 1440 hrs 09/04/2025.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 126441 is cancelled at 1440 hrs 09/04/2025.
Manager NEM Real Time Operations
126442MARKET INTERVENTION09/04/2025 02:42:04 PM
Cancellation - Possible intervention to manage power system security in South Australia (SA) region 10/04/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
126441RESERVE NOTICE09/04/2025 02:18:08 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 10/04/2025
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:
[1.] From 1800 hrs 10/04/2025 to 1830 hrs 10/04/2025.
The forecast capacity reserve requirement is 1581 MW.
The minimum capacity reserve available is 1580 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 NSW region for the following Period:
[1.] From 1800 hrs 10/04/2025 to 1830 hrs 10/04/2025.
The forecast capacity reserve requirement is 1581 MW.
The minimum capacity reserve available is 1580 MW.
Manager NEM Real Time Operations
126440MARKET INTERVENTION09/04/2025 01:04:53 PM
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO ELECTRICITY MARKET NOTICE
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
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
126427MARKET INTERVENTION07/04/2025 05:57:01 PM
Cancellation - Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO ELECTRICITY MARKET NOTICE
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
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
126418MARKET INTERVENTION07/04/2025 12:38:10 PM
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO ELECTRICITY MARKET NOTICE
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 08/04/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
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 08/04/2025.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations