Market Notices

119202INTER-REGIONAL TRANSFER23/10/2024 06:42:52 AM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in VIC region - 23/10/2024

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the VIC region, AEMO has invoked automated constraint set CA_SYDS_562A9792 from 0635 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
     
119056INTER-REGIONAL TRANSFER19/10/2024 01:10:23 PM

Inter-regional transfer limit variation - Tamworth No 1 330 kV bus and Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/10/2024

AEMO ELECTRICITY MARKET NOTICE

Tamworth No 1 330 kV bus and Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/10/2024

A planned outage of Tamworth No 1 330 kV bus in the NSW region was scheduled from 1100 hrs 18/10/2024 to 1700 hrs 20/10/2024.
A planned outage of Tamworth - Armidale No. 86 330 kV Line in the NSW region was scheduled from 0500 hrs 09/10/2024 to 1700 hrs 20/10/2024.

The outage has been completed by 1250 hrs 19/10/2024.

Constraint set(s) invoked:
N-ARTW_86
N-LDTW_84
N-TW_SVC
N-TW_330_BUS1

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


Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
119029POWER SYSTEM EVENTS18/10/2024 03:48:56 PM

Non-credible contingency event - VIC region - 18/10/2024

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - VIC region - 18/10/2024

At 1525 hrs the Rowville - Yallourn No. 7 220 kV Line and the Rowville - Yallourn No. 8 220 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
     
118998INTER-REGIONAL TRANSFER17/10/2024 07:20:04 PM

Inter-regional transfer limit variation - Brinkworth- Red Hill- Bungama 132kV lines - SA region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Brinkworth- Red Hill- Bungama 132kV lines - SA region - 17/10/2024

At 1846 hrs 17/10/2024 there was an unplanned outage of Brinkworth- Red Hill- Bungama 132kV lines.

The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BRBG

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118997INTER-REGIONAL TRANSFER17/10/2024 07:18:47 PM

Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024

At 1842 hrs 17/10/2024 there was an unplanned outage of Hummocks - Bungama 132kV line.

The following constraint set(s) invoked at 1850 hrs 17/10/2024
S-HUBG

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118996INTER-REGIONAL TRANSFER17/10/2024 07:13:32 PM

Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line- SA region - 17/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line - SA region - 17/10/2024

At 1848 hrs 17/10/2024 there was an unplanned outage of Blyth West - Munno Para 275kV line.

The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BWMP

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
118736INTER-REGIONAL TRANSFER09/10/2024 07:58:20 PM

Inter-regional transfer limit variation - Moorabool to Sydenham 500 kV No.2 line - VIC region - 09/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Moorabool to Sydenham 500 kV No.2 line - VIC region - 09/10/2024

A planned outage of Moorabool to Sydenham 500 kV No.2 line in the VIC region was scheduled from 0600 hrs 01/10/2024 to 2030 hrs 11/10/2024.

The outage has been completed and Moorabool to Sydenham 500 kV No.2 line returned to service at 1940 hrs 09/10/2024

Constraint set(s) revoked: V-MLSY_NOEMTT_R

Manager NEM Real Time Operations
     
118571INTER-REGIONAL TRANSFER03/10/2024 09:29:33 AM

Inter-regional transfer limit variation - Bannaby -Sydney West 39 330 kV line - NSW region - 03/10/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Bannaby -Sydney West 39 330 kV line- NSW region - 03/10/2024

A planned outage of Bannaby -Sydney West 39 330 kV line in the NSW region was scheduled from 0700 hrs 16/09/2024 to 1600 hrs 11/10/2024.

The outage has been completed and Bannaby -Sydney West 39 330 kV line returned to service at 0920 hrs 03/10/2024

Constraint set revoked: N-BYSW_39_15M

Manager NEM Real Time Operations
     
118506INTER-REGIONAL TRANSFER29/09/2024 03:29:13 AM

Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line- NSW region - 29/09/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line - NSW region - 29/09/2024

At 0313 hrs 29/09/2024 there was an unplanned outage of Stockdill - Upper Tumut 1 330 kV line.

The following constraint set invoked at 0320 hrs 29/09/2024
N-SDUT_1

This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
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