Market Notices

AEMO ELECTRICITY MARKET NOTICE

Cancellation -Inter-regional transfer limit variation - Constraint invocation to manage Power System Security in NSW region - 22/01/2025

Refer to MN 123588

In order to maintain the power system in a secure operating state in the NSW region (Northern NSW) ,

AEMO has invoked constraint set #N-Q-MNSP1_E from 1720 hrs until 1845 hs 22/01/2025.

This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Lismore No1 SVC - NSW region - 22/01/2025

A planned outage of Lismore No1 SVC in the NSW region was scheduled from 0620 hrs 08/01/2025 to 1600 hrs 24/01/2025.

The outage has been completed and Lismore No1 SVC returned to service at 1900 hrs 22/01/2025

Constraint set(s) revoked: N-LS_VC1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the NSW region (Northern NSW) , AEMO has invoked constraint set #N-Q-MNSP1_E from 1720 hrs until further notice.

This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - - NSW region - 21/01/2025

At 1935 hrs 21/01/2025 there was a short notice outage of Bundy-Buronga (6F) 330 kV line

The following constraint set(s) invoked
I-BDBU_ONE

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

The outage is scheduled to return to service at 1935 hrs 22/01/2025

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Wednesday, 22 January 2025

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

Unit: VP5
Duration: 22/01/2025 08:50 to 22/01/2025 09:00
Amount: 18 MW
Constraint: NC-N_VP5

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Wednesday, 22 January 2025

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

Unit: MPP_1
Duration: 22/01/2025 06:40 to 22/01/2025 06:45
Amount: 16 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 21 January 2025

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

Unit: TALWA1
Duration: 21/01/2025 18:35 to 21/01/2025 18:40
Amount: 44 MW
Constraint: NC-N_TALWA1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Tuesday, 21 January 2025

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

Unit: MPP_1
Duration: 21/01/2025 09:45 to 21/01/2025 13:55
Amount: 36 MW
Constraint: NC-Q_MPP_1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - NSW region - 15/01/2025

Refer AEMO Electricity Market Notice 123354

At 1458 hrs the Tomago - Taree (963) 132kV line was returned to service. The Tomago - Brandy Hill (9C6) 132kV line was returned to service on 16/01/2025.

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