Market Notices

117313INTER-REGIONAL TRANSFER08/07/2024 05:41:45 AM

Inter-regional transfer limit variation - 89 Lismore - Coffs 330kV Line - NSW region - 08/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - 89 Lismore - Coffs 330kV Line - NSW region - 08/07/2024

At 0511 hrs 08/07/2024 there was an unplanned outage of 89 Lismore - Coffs 330kV Line.

The following constraint set(s) invoked at 0525 hrs 08/07/2024
N-CHLS_89, N-DLETS_OS, N-X_MBTE_3

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
117300INTER-REGIONAL TRANSFER06/07/2024 10:34:25 AM

Inter-regional transfer limit variation -Murraylink - SA region - 06/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Murraylink - SA region - 06/07/2024

A planned outage of Murraylink in the SA region was scheduled from 0700 hrs 28/06/2024 to 1700 hrs 09/07/2024.

The outage has been completed and Murraylink returned to service at 1035 hrs 06/07/2024

Constraint set(s) revoked: I-MURRAYLINK

Manager NEM Real Time Operations
117290INTER-REGIONAL TRANSFER04/07/2024 02:18:46 PM

Inter-regional transfer limit variation - Crookwell- Gullen Range 3H and Bannaby - Crookwell 61 330 kV lines - NSW region - 04/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Crookwell- Gullen Range 3H and Bannaby - Crookwell 61 330 kV lines - NSW region - 04/07/2024

A planned outage of Crookwell- Gullen Range 3H and Bannaby - Crookwell 61 330 kV lines in the NSW region was scheduled from 0800 hrs 03/07/2024 to 1700 hrs 04/07/2024.

The outage has been completed and Crookwell- Gullen Range 3H and Bannaby - Crookwell 61 330 kV lines returned to service at 1405 hrs 04/07/2024

Constraint set(s) revoked: N-BYCR_61_15M and N-CRGR_3H

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.


Manager NEM Real Time Operations
117289INTER-REGIONAL TRANSFER04/07/2024 11:04:20 AM

Inter-regional transfer limit variation - [outage element] - NSW region - 04/07/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore - Dunoon 9U7 132 kV line - NSW region - 04/07/2024

A planned outage of Lismore - Dunoon 9U7 132 kV line in the NSW region was scheduled from 0732 hrs 02/07/2024 to 1700 hrs 19/07/2024.

The outage has been completed and Lismore - Dunoon 9U7 132 kV line returned to service at 1105 hrs 04/07/2024

Constraint set(s) revoked: N-LSDU_9U6

This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1

Manager NEM Real Time Operations
117243INTER-REGIONAL TRANSFER28/06/2024 04:54:33 PM

Inter-regional transfer limit variation - Dumaresq No. 1 330kV SVC - NSW region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Dumaresq No. 1 330kV SVC- NSW region - 28/06/2024

At 1649 hrs 28/06/2024 there was a short notice outage of the Dumaresq No. 1 330kV SVC.

The following constraint set invoked at 1650 hrs 28/06/2024
N-DM_SVC

This constraint set 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
117241INTER-REGIONAL TRANSFER28/06/2024 04:12:58 PM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024

Refer AEMO Electricity Market Notice 117239.

Constraint set CA_SYDS_5590C0E2 revoked 1530 hrs.

Manager NEM Real Time Operations
117240INTER-REGIONAL TRANSFER28/06/2024 02:20:05 PM

Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Liddell to Tomago 82 330kV Line - NSW region - 28/06/2024

At 1407 hrs 28/06/2024 there was an unplanned outage of Liddell to Tomago 82 330kV Line.

The following constraint set invoked at 1415 hrs 28/06/2024
N-LDTM_82_OPEN

This constraint set contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
117239INTER-REGIONAL TRANSFER28/06/2024 02:07:43 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/06/2024

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_5590C0E2 from 1355hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;

V-S-MNSP1

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

Manager NEM Real Time Operations
117210POWER SYSTEM EVENTS27/06/2024 09:01:59 AM

Non-credible contingency event - NSW region - 27/06/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - NSW region - 27/06/2024

At 0845 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 is not known at this stage.


Manager NEM Real Time Operations
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