Market Notices

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Alc/Prtlnd A2 500/220/33kV XFMR - VIC region - 26/03/2026

At 1515 hrs 26/03/2026 there was a short notice outage of Alc/Prtlnd A2 500/220/33kV XFMR

The following constraint set(s) invoked at 1530 hrs 26/03/2026
F-I_ML_APD_LOAD

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region to Pelican Point Power Limited - PPCCGT PELICAN POINT

Refer to Market Notice 137279


In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to Pelican Point Power Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

Direction issued to: Pelican Point Power Limited - PPCCGT PELICAN POINT at 1700 hrs 26/03/2026
Type of resource: generating unit
Required actions: Synchronise and follow dispatch targets at 0001 hrs 27/03/2026
Services provided: Voltage Control
Circumstances necessitating the Direction:Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 0001 hrs 28/03/2026 / further notice.

Pelican Point Power Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Direction - SA region 26/03/2026

In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).

The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 26/03/2026.

Intervention pricing does not apply to this AEMO intervention event.

AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Foreseeable AEMO intervention in SA region

AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0001 hrs 27/03/2026.

The foreseeable circumstance requiring the need for intervention is Voltage.

AEMO estimates that, in the absence of sufficient market response by 1700 hrs 26/03/2026, AEMO may need to intervene by issuing a direction.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-Regional Transfer limit variation - Manage Power System Security in NSW Region - 23/03/2026

Refer Market Notice 135918

In order to maintain the power system in a secure operating state in the New South Wales region, AEMO has invoked a discretionary constraint to limit the transfer from Qld to NSW.
.
Constraint set I-QN_600 has been invoked from 1025 hrs until 1830 hrs

This Constraint Set contains equations with the following interconnector on the LHS;

NSW1 - QLD1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Manage Power System Security in NSW Region - 23/03/2026

In order to maintain the power system in a secure operating state in the New South Wales region, AEMO has invoked a discretionary constraint to limit the transfer from Qld to NSW.
.
Constraint set I-QN_600 has been invoked from 1025 hrs until further advice

This Constraint Set contains equations with the following interconnector on the LHS;

NSW1 - QLD1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale - Dumaresq 8C 330kV Line - NSW region - 20/03/2026

A planned outage of Armidale - Dumaresq 8C 330kV Line in the NSW region was scheduled from 0600 hrs 17/03/2026 to 1600 hrs 28/03/2026.

The outage has been completed and Armidale - Dumaresq 8C 330kV Line returned to service at 1245 hrs 20/03/2026

Constraint set(s) revoked:
N-ARDM_8C
N-ARTW_86
N-AR_330_BS1
N-DM_SVC
N-TW_SVC
N-X_8C+DM+TW_SVC
N-X_AR330BS1_SVC

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Update Inter-Regional Transfer limit variation - Basslink

Refer AEMO Electricity Market Notice 135142

There was an unplanned outage of the Basslink interconnector at 0747 hrs. The Basslink interconnector has been returned to service.

The following constraint set was revoked at 0815 hrs 20/03/2026

I-BL_ZERO

The constraint set contains the following interconnector on the left hand side.

T-V-MNSP1

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Basslink

There has been an unplanned outage of the Basslink interconnector.

The following constraint set was invoked at 0755 hrs 20/03/2026

I-BL_ZERO

The constraint set contains the following interconnector on the left hand side.

T-V-MNSP1

Manager NEM Real Time Operations