Market Notices

116140INTER-REGIONAL TRANSFER15/04/2024 04:59:01 PM

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system- NSW region - 15/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system - NSW region - 15/04/2024

At 1635 hrs 15/04/2024 there was a short notice outage of Tamworth No1 SVC protection system.

The following constraint set(s) invoked at 1650 hrs 15/04/2024
N-TW_SVC

This constraint set(s) 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
116130INTER-REGIONAL TRANSFER15/04/2024 12:08:58 PM

Inter-regional transfer limit variation - Tamworth No1 SVC - NSW region - 15/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth No1 SVC - NSW region - 15/04/2024

At 1155 hrs 15/04/2024 there was an unplanned outage of Tamworth No1 SVC.

The following constraint set(s) invoked at 1200 hrs 15/04/2024
N-TW_SVC

This constraint set(s) 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
116125INTER-REGIONAL TRANSFER15/04/2024 07:11:32 AM

Inter-regional transfer limit variation - Armidale 1 330kV SVC - NSW region - 15/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale 1 330kV SVC - NSW region - 15/04/2024

A planned outage of Armidale 1 330kV SVC in the NSW region was scheduled from 0700 hrs 15/04/2024 to 1500 hrs 20/04/2024.

The outage has been cancelled at 0700 hrs 15/04/2024

Constraint set(s) revoked: N-AR_VC1
This constraint set(s) contains equations with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

Manager NEM Real Time Operations
116098POWER SYSTEM EVENTS12/04/2024 01:39:23 PM

Update - Non-credible contingency event - TAS region - 12/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - TAS region - 12/04/2024

Refer AEMO Electricity Market Notice 116095

At 1304 hrs the Sheffield - Farrell No.2 220 kV 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
116095POWER SYSTEM EVENTS12/04/2024 11:22:09 AM

Non-credible contingency event - TAS region - 12/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - TAS region - 12/04/2024

At 1048 hrs the Sheffield - Farrell No.2 220 kV line tripped during restoration due to fault on the line.

AEMO did not instruct load shedding.

AEMO has been advised of disconnection of major industrial load approximately 550 MW.

The cause of this non credible contingency event is not known at this stage.


Manager NEM Real Time Operations
116086INTER-REGIONAL TRANSFER11/04/2024 02:57:43 PM

Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Hazelwood - South Morang No. 1 500 kV Line - Vic region - 11/04/2024

A planned outage of Hazelwood - South Morang No. 1 500 kV Line in the Vic region was scheduled from 0630 hrs 11/04/2024 to 1830 hrs 11/04/2024.

The outage has been completed and Hazelwood - South Morang No. 1 500 kV Line returned to service at 1450 hrs 11/04/2024.

Constraint set revoked: V-HWSM

Manager NEM Real Time Operations
116082INTER-REGIONAL TRANSFER11/04/2024 02:28:10 AM

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 3 Leg of Directlink .

The following constraint set was invoked at 0225 hrs 11/04/2024

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
116078POWER SYSTEM EVENTS10/04/2024 03:44:19 PM

Update - Non-credible contingency event - QLD region - 10/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - QLD region - 10/04/2024

Refer AEMO Electricity Market Notice 116072

At 1540 hrs the Ingham South to Cardwell 132 kV 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
116072POWER SYSTEM EVENTS10/04/2024 09:08:03 AM

Non-credible contingency event - QLD region - 10/04/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 10/04/2024

At 0730 hrs the Ingham South to Cardwell 132 kV line tripped at the Ingham South end only.

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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