Market Notices

AEMO ELECTRICITY MARKET NOTICE

The Moorabool - Mortlake No.2 500kV Line in Victoria (VIC) region was planned to be on an outage on 07/06/2024. This outage has been withdrawn by the TNSP.

Constraint sets associated with this outage have been revoked.
I-VS+LKB_050, I-VS_050, V-MLMO

These constraint sets contains equations with the following interconnectors on the LHS.
V-SA, VIC1-NSW1, T-V-MNSP1, V-S-MNSP1

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

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Heywood - Tarrone No.1 500kV line - VIC region - 07/06/2024

At 0406 hrs 07/06/2024 there was an unplanned outage of Heywood - Tarrone No.1 500kV line

The following constraint set(s) invoked at 0415 hrs 07/06/2024
V-HYTR

This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1, T-V-MNSP1, V-S-MNSP1, V-SA, VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

AEMO declares a Forecast LOR1 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following period:

From 1730 hrs to 2100 hrs 13/06/2024.
The forecast capacity reserve requirement is 439 MW.
The minimum capacity reserve available is 382 MW.


AEMO Operations

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, with the No.2 Leg of Directlink previously out-of-service.

The following constraint set was invoked at 1425 hrs 06/06/2024

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

AEMO ELECTRICITY MARKET NOTICE

Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.

Region: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Cancellation time: 06/06/2024 13:34

Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Refer AEMO Electricity Market Notice 116902

Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: NSW1

Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV

Duration: 06/06/2024 12:30 until further notice

Constraint set(s) invoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1


Auto-generated on behalf of Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tarrone K1 500/132 kV Transformer - VIC region - 06/06/2024

At 1058 hrs 06/06/2024 there was an unplanned outage of Tarrone K1 500/132 kV Transformer.

The following constraint set(s) invoked at 1115 hrs 06/06/2024
V-TRTS_BUS_CB_500

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Inter-Regional Transfer limit variation - Directlink control unavailable (NSW Region)

AEMO has been notified that the controls to vary Directlink output are unavailable until further notice.

Constraint set I-CTRL_ISSUE_TE invoked from 0805 hrs.

The constraint set contains equations with the following interconnector on the LHS:

N-Q-MNSP1

Refer AEMO Network Outage Scheduler (NOS) for further details


Manager NEM Real Time Operations

AEMO ELECTRICITY MARKET NOTICE

Network Augmentation Commissioned - QLD Region - 05/06/2024

H20 Broadsound 275 kV Bus Reactor 1 (150 MVAr) has been commissioned as at 1043 hrs.

Manager NEM Real Time Operations