Market Notices

117132POWER SYSTEM EVENTS25/06/2024 10:20:35 AM

Non-credible contingency event - NSW region - 25/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 25/06/2024

At 0901 hrs the Sydney West No.1 330 kV SVC tripped during switching for planned outage of Sydney West No.4 330/132 kV transformer.

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 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
117078INTER-REGIONAL TRANSFER19/06/2024 05:27:58 PM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

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 1725 hrs 19/06/2024

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
117053INTER-REGIONAL TRANSFER18/06/2024 03:19:21 PM

Inter-regional transfer limit variation - Collector Wind Farm to Yass 3L 330kV line - NSW region - 18/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Collector Wind Farm to Yass 3L 330kV line - NSW region - 18/06/2024

A planned outage of Collector Wind Farm to Yass 3L 330kV line in the NSW region was scheduled from 0600 hrs 03/04/2024 to 1500 hrs 08/07/2024.

The outage has been completed and Collector Wind Farm to Yass 3L 330kV line returned to service at 1515 hrs 18/06/2024

Constraint set revoked: N-CTYS_3L_WG_CLOSE

Manager NEM Real Time Operations
117042POWER SYSTEM EVENTS18/06/2024 10:16:34 AM

Non-credible contingency event - VIC region - 18/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 18/06/2024

At 0839 hrs the Glenrowan No1 66kV Bus 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
116907INTER-REGIONAL TRANSFER07/06/2024 07:56:38 AM

Inter-Regional Transfer limit variation - Outage Cancelled - Planned outage of Moorabool - Mortlake No.2 500 kV Line in Vic region on 7 June 2024.

AEMO ELECTRICITY MARKET NOTICE

The Moorabool - Mortlake No.2 500kV Line in Victoria (VIC) region was planned to be on an outage on 07/06/2024. This outage has been withdrawn by the TNSP.

Constraint sets associated with this outage have been revoked.
I-VS+LKB_050, I-VS_050, V-MLMO

These constraint sets contains equations with the following interconnectors on the LHS.
V-SA, VIC1-NSW1, T-V-MNSP1, V-S-MNSP1

Refer to the AEMO Network Outage Scheduler (NOS) for further information.

Manager NEM Real Time Operations
116906INTER-REGIONAL TRANSFER07/06/2024 04:39:57 AM

Inter-regional transfer limit variation - Heywood - Tarrone No.1 500kV line - VIC region - 07/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Heywood - Tarrone No.1 500kV line - VIC region - 07/06/2024

At 0406 hrs 07/06/2024 there was an unplanned outage of Heywood - Tarrone No.1 500kV line

The following constraint set(s) invoked at 0415 hrs 07/06/2024
V-HYTR

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1, T-V-MNSP1, V-S-MNSP1, V-SA, VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
116904INTER-REGIONAL TRANSFER06/06/2024 02:29:13 PM

Inter-Regional Transfer limit variation - Directlink - NSW Region

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink - NSW Region

There has been an unplanned outage of the No 1 Leg of Directlink, with the No.2 Leg of Directlink previously out-of-service.

The following constraint set was invoked at 1425 hrs 06/06/2024

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
116901INTER-REGIONAL TRANSFER06/06/2024 11:22:44 AM

Inter-regional transfer limit variation - Tarrone K1 500/132 kV Transformer - VIC region - 06/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tarrone K1 500/132 kV Transformer - VIC region - 06/06/2024

At 1058 hrs 06/06/2024 there was an unplanned outage of Tarrone K1 500/132 kV Transformer.

The following constraint set(s) invoked at 1115 hrs 06/06/2024
V-TRTS_BUS_CB_500

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
116900INTER-REGIONAL TRANSFER06/06/2024 08:05:12 AM

Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)

AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_TE invoked from 0805 hrs.

The constraint set contains equations with the following interconnector on the LHS:

N-Q-MNSP1

Refer AEMO Network Outage Scheduler (NOS) for further details


Manager NEM Real Time Operations
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