Market Notices

91933INTER-REGIONAL TRANSFER24/10/2021 10:11:09 PM

Inter-regional transfer limit variation - Sydenham 500kV centre CB Moorabool 2 line South Morang 2 line- Vic region - 20/10/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Sydenham 500kV centre CB Moorabool 2 line South Morang 2 line- Vic region - 20/10/2020

At 2156 hrs there was a short notice outage at Sydenham on 500kV centre CB Moorabool 2 line /South Morang 2 line.


The following constraint set(s) was invoked from 2205 hrs until further notice
V-SY_CB

This constraint set(s) contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1

Manager NEM Real Time Operations
     
91871INTER-REGIONAL TRANSFER22/10/2021 02:03:51 PM

Inter-regional transfer limit variation - Boambee South Bus - NSW region - 22/10/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Boambee South Bus - NSW region - 22/10/2021

At 1308 hrs 22/10/2021 there was an unplanned outage of Boambee South 132 kV bus which offloaded Boambee South - Coffs Harbour 9W8 132 kV line and Boambee South - Nambucca 9W7 132 kV line.

Constraint set(s) invoked: N-CHKS_ONE

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
     
91857INTER-REGIONAL TRANSFER21/10/2021 08:55:34 AM

Inter-regional transfer limit variation - Dederang 500kV South Morang 2 line 1 bus CB - Vic region - 21/10/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Dederang 500kV South Morang 2 line 1 bus CB - Vic region - 21/10/2020

At 0820 hrs there was a short notice outage of the Dederang 500kV 1 bus CB South Morang 2 line.

The following constraint sets were invoked from 0845 hrs
V-DBUSS_L
V-DBUSS_T

This constraint set(s) 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
     
91847INTER-REGIONAL TRANSFER20/10/2021 05:28:27 PM

Inter-regional transfer limit variation - Sydenham 500kV centre CB Moorabool 2 line South Morang 2 line- Vic region - 20/10/2020

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Sydenham 500kV centre CB Moorabool 2 line South Morang 2 line- Vic region - 20/10/2020

At 1705 hrs there was a short notice outage of the Sydenham 500kV centre CB Moorabool 2 line South Morang 2 line.

The circuit breaker was returned to service at 1722 hrs.

The following constraint set(s) was invoked from 1715 hrs to 1730 hrs 20/10/2021
V-SY_CB

This constraint set(s) contains equations with the following interconnectors on the LHS.

T-V-MNSP1
V-SA
V-S-MNSP1
VIC1- NSW1

Manager NEM Real Time Operations
     
91822INTER-REGIONAL TRANSFER19/10/2021 08:09:35 PM

Inter-regional transfer limit variation - Tailem Bend 275 kV CB 6594 - SA region - 19/10/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend 275 kV CB 6594 - SA region - 19/10/2021

At 1925 hrs 19/10/2021 there was an short notice outage of Tailem Bend 275 kV CB 6594.

Constraint set(s) invoked: S-TB_CB6594

This constraint set(s) contains equations with the following interconnectors on the LHS.

V-SA

Refer to the AEMO Network Outage Scheduler for further information.


Manager NEM Real Time Operations
     
91793INTER-REGIONAL TRANSFER19/10/2021 01:35:39 AM

Inter-regional transfer limit variation - Tailem Bend 275 kV CB 6594 - SA region - 19/10/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend 275 kV CB 6594 - SA region - 19/10/2021

At 0130 hrs 19/10/2021 there was an short notice outage of Tailem Bend 275 kV CB 6594.

Constraint set(s) invoked: S-TB_CB6594

This constraint set(s) contains equations with the following interconnectors on the LHS.

V-SA

Refer to the AEMO Network Outage Scheduler for further information.


Manager NEM Real Time Operations
     
91769INTER-REGIONAL TRANSFER18/10/2021 07:42:19 AM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 17/10/2021

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 17/10/2021

Refer AEMO Electricity Market Notice 91763

Constraint set CA_BRIS_507E31FE was revoked at 0740 hrs 18/10/21.

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

VIC1-NSW1

Manager NEM Real Time Operations
     
91763INTER-REGIONAL TRANSFER17/10/2021 02:48:43 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 17/10/2021

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in NSW region - 17/10/2021

In order to maintain the power system in a secure operating state in the NSW region, AEMO has invoked automated constraint set CA_BRIS_507E31FE from 1450 hrs until further notice.

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

VIC1-NSW1

Manager NEM Real Time Operations
     
91752INTER-REGIONAL TRANSFER16/10/2021 11:59:47 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No 2 500 kV Line (VIC) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No 2 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 1150 hrs 16/10/2021.

V-HWSM

The constraint set contains equations with the following interconnectors on the LHS.

T-V-MNSP
V-S-MNSP1
V-SA
VIC1-NSW1

Refer to AEMO Network Outage Scheduler (NOS) for return to service details

Manager NEM Real Time Operations
     
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