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Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025
A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/03/2025 to 1600 hrs 06/03/2025.
The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1635 hrs 05/03/2025
Constraint set(s) revoked: N-LDTM_82
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025
At 1603 hrs 05/03/2025 there was an unplanned outage of Ewingsdale-Mullumbimby 9G5 132kV line.
The following constraint set(s) invoked at 1615 hrs 05/03/2025
N-BAMB_132_OPEN
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 125259
TORRB2 TORRENS ISLAN at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.
The TORRB2 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 07/03/2025.
The direction update is issued at 1630 hrs 05/03/2025.
Manager NEM Real Time Operations
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Update Direction - Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 125258
PPCCGT PELICAN POINT at 0400 hrs 06/03/2025 to Remain synchronised and follow dispatch targets.
The PPCCGT PELICAN POINT direction is now expected to stay in place until 0400 hrs 07/03/2025.
The direction update is issued at 1600 hrs 05/03/2025.
Manager NEM Real Time Operations
Update - Non-credible contingency event - NSW region - 05/03/2025
Update - Non-credible contingency event - NSW region - 05/03/2025
Refer AEMO Electricity Market Notice 125268
At 1400 hrs the Directlink DC1 was returned to service.
(At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line was returned to service.)
The cause of this non-credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 05/03/2025
Non-credible contingency event - NSW region - 05/03/2025
At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 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
Inter-Regional Transfer limit variation - Directlink - NSW Region
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 1 Leg of Directlink .
The following constraint set was invoked at 1040 hrs 05/03/2025
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Direction - SA region to AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 127257
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN at 1700 hrs 04/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0730 hrs 05/03/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 06/03/2025.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT
Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT
Refer to Market Notice 125257
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Pelican Point Power Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT at 1600 hrs 04/03/2025
Type of resource: generating unit
Required actions: Remain synchronised and follow dispatch targets at 0700 hrs 05/03/2025
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: The synchronous generating units currently expected to be synchronised in SA will be inadequate to maintain sufficient Voltage Control in SA. Intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 06/03/2025.
Pelican Point Power Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations