AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale - Sapphire 8E 330 kV line - NSW region - 31/08/2024

At 1630 hrs 31/08/2024 there was a short notice outage of Armidale - Sapphire 8E 330 kV line.

The following constraint set(s) invoked at 1630 hrs 31/08/2024
N-ARSR_8E, N-TW_SVC

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Saturday, 31 August 2024

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

Unit: STARHLWF
Duration: 31/08/2024 14:50 to 31/08/2024 15:25
Amount: 26 MW
Constraint: NC-S_STARHLWF

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Saturday, 31 August 2024

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

Unit: HILLSTN1
Duration: 31/08/2024 15:05 to 31/08/2024 15:20
Amount: 85 MW
Constraint: NC-N_HILLSTN1

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Saturday, 31 August 2024

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

Unit: MANNSF2
Duration: 31/08/2024 11:45 to 31/08/2024 13:55
Amount: 7 MW
Constraint: NC-S_MANNSF2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE QLD1 Region Thursday, 29 August 2024

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

Unit: GSTONE2
Duration: 29/08/2024 15:35 to 29/08/2024 15:40
Amount: 28 MW
Constraint: NC-Q_GSTONE2

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Dumaresq 330 kV SVC - NSW region - 28/08/2024

At 1125 hrs 28/08/2024 there was a short notice outage of Dumaresq 330 kV SVC.

The following constraint set(s) invoked at 1125 hrs 28/08/2024
N-DM_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

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_SYDS_55E0E615 from 0900 hrs until further notice.

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

N-Q-MNSP1

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE.

Update - Non-credible contingency event - VIC region - 28/08/2024

Refer AEMO Electricity Market Notice 117908

At 0134 hrs the APD No 2 Potline was returned to service.

At 0200 hrs the APD No 1 Potline 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

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 28/08/2024

At 0001 hrs the APD No1 Potline and the APD No 2 Potline tripped.

AEMO did not instruct load shedding.

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


Manager NEM Real Time Operations