Market Notices

125279NON-CONFORMANCE05/03/2025 05:45:17 PM

NON-CONFORMANCE Region QLD1 Wednesday, 5 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 5 March 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: MPP_1
Duration: 05/03/2025 17:35 to 05/03/2025 17:45
Amount: -12 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations
     
125278INTER-REGIONAL TRANSFER05/03/2025 04:48:22 PM

Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 05/03/2025

AEMO ELECTRICITY MARKET NOTICE

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
     
125277INTER-REGIONAL TRANSFER05/03/2025 04:18:40 PM

Inter-regional transfer limit variation - Ewingsdale-Mullumbimby 9G5 132kV line - NSW region - 05/03/2025

AEMO ELECTRICITY MARKET NOTICE

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
     
125273POWER SYSTEM EVENTS05/03/2025 02:03:49 PM

Update - Non-credible contingency event - NSW region - 05/03/2025

AEMO ELECTRICITY MARKET NOTICE.

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
     
125269NON-CONFORMANCE05/03/2025 12:25:18 PM

NON-CONFORMANCE Region NSW1 Wednesday, 5 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 5 March 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: WTAHB1
Duration: 05/03/2025 12:00 to 05/03/2025 12:25
Amount: -120 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
125268POWER SYSTEM EVENTS05/03/2025 11:57:45 AM

Non-credible contingency event - NSW region - 05/03/2025

AEMO ELECTRICITY MARKET NOTICE.

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
     
125267INTER-REGIONAL TRANSFER05/03/2025 10:51:27 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 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
     
125251NON-CONFORMANCE04/03/2025 12:00:17 PM

NON-CONFORMANCE Region NSW1 Tuesday, 4 March 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 4 March 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: WTAHB1
Duration: 04/03/2025 11:55 to 04/03/2025 12:00
Amount: -33 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
125219INTER-REGIONAL TRANSFER03/03/2025 11:31:48 AM

Inter-regional transfer limit variation - Halys - Tarong 8868 275 kV Line - QLD region - 03/03/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Halys - Tarong 8868 275 kV Line - QLD region - 03/03/2025

At 1115 hrs 03/03/2025 there was a short notice outage of Halys - Tarong 8868 275 kV Line.

The following constraint set(s) invoked at 1115 hrs 03/03/2025
Q-HATR

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
     
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