Market Notices

115408INTER-REGIONAL TRANSFER01/03/2024 08:15:32 AM

Inter-regional transfer limit variation - Mt Piper 500/330 kV TIE1 Transformer - NSW region - 01/03/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Mt Piper 500/330 kV TIE1 Transformer - NSW region - 01/03/2024

At 0747 hrs 01/03/2024 there was an unplanned outage of Mt Piper 500/330 kV TIE1 Transformer.

Constraint set(s) invoked: N-MPTX

The following constraint set(s) invoked at 0755 hrs 01/03/2024
N-MPTX

This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115398INTER-REGIONAL TRANSFER29/02/2024 07:06:55 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_54F2D1C0 from 1850 hrs until further notice.

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

VIC1-NSW1

Manager NEM Real Time Operations
115372INTER-REGIONAL TRANSFER29/02/2024 04:18:08 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 29/02/2024

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA-BRIS_54F2ABFD_1 from 1610 hrs until further notice.

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

VIC1-NSW1

Manager NEM Real Time Operations
115296INTER-REGIONAL TRANSFER28/02/2024 03:25:40 PM

Inter-regional transfer limit variation - 275kV South Pine SVC - QLD region - 28/02/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -275kV South Pine SVC - QLD region - 28/02/2024

At 1425 hrs 28/02/2024 there was an unplanned outage of 275kV South Pine SVC.

Constraint set Q-SP_VC invoked from 1435 hrs.

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

N-Q-MNSP1
NSW1-QLD1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
115270POWER SYSTEM EVENTS28/02/2024 12:17:11 PM

Non-credible contingency event - QLD region - 28/02/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 28/02/2024

At 1029 hrs the Tully - Cardwell No.7389 132 kV Line tripped and auto reclosed and Ross - Woree No. 8905 275 kV Line tripped and auto reclosed.

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
115256INTER-REGIONAL TRANSFER28/02/2024 11:02:16 AM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/02/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 28/02/2024

In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_54F10C1F from 1035 hrs until further notice.

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

V-S_MNSP1
V-SA
VIC1-NSW1

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

Manager NEM Real Time Operations
115120INTER-REGIONAL TRANSFER25/02/2024 07:46:45 PM

Inter-regional transfer limit variation - Moorabool Sydenham No1 500 kV line - Vic region - 25/02/2024

AEMO ELECTRICITY MARKET NOTICE

At 1929 hrs 25/02/2024 in the Victoria region the Moorabool Sydenham No1 500 kV line returned to service on temporary towers.

The Moorabool Sydenham No2 500 kV line remains out of service

Constraint set changes.

Invoked:
V-MLSY_NOEMTT_R

Revoked:
V-X_MLSY_MLTS_TIE

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

Refer Market Notices 114577, 114768, 114686 and 114770

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
114880INTER-REGIONAL TRANSFER19/02/2024 02:31:03 PM

Inter-regional transfer limit variation -Directlink DC2 - NSW region - 19/02/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Directlink DC2 - NSW region - 19/02/2024


A planned outage of Directlink DC2 in the NSW region was scheduled from 2000 hrs 16/02/2024 to 1701 hrs 20/02/2024.

The outage has been completed and Directlink DC2 returned to service at 1425 hrs 19/02/2024.

The following constraint set(s) revoked at 1425 hrs 19/02/2024
N-MBTE_1

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
114827INTER-REGIONAL TRANSFER16/02/2024 08:17:01 PM

Short Notice Outage - Directlink - NSW Region - 16 February 2024

AEMO ELECTRICITY MARKET NOTICE

Short Notice Outage - Directlink - NSW Region - 16 February 2024

A short notice outage of Directlink cable DC2 in the NSW Region.

Constraint set N-MBTE_1 invoked from 2010 hrs.

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

N-Q-MNSP1

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


Manager NEM Real Time Operations
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