Market Notices

112859INTER-REGIONAL TRANSFER29/12/2023 01:58:35 AM

Inter-regional transfer limit variation - Para No.1 275 kV SVC - SA region - 29/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation -Para No.1 275 kV SV - SA region - 29/12/2023

At 0145 hrs 29/12/2023 there was a short notice outage of Para No.1 275 kV SVC.

The following constraint set(s) invoked at 0145 hrs 29/12/2023
S-PA_VC1

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


Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
112858INTER-REGIONAL TRANSFER28/12/2023 09:43:00 PM

Inter-regional transfer limit variation - Blyth West - Munno Para 275 kV line - SA region - 28/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Blyth West - Munno Para 275 kV line - SA region - 28/12/2023

At 2115 hrs 28/12/2023 there was an unplanned outage of the Blyth West - Munno Para 275 kV line.

The following constraint set(s) invoked at 2125 hrs 28/12/2023
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
112854INTER-REGIONAL TRANSFER28/12/2023 07:32:53 PM

Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 28/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Hummocks - Waterloo 132 kV line - SA region - 28/12/2023

At 1913 hrs 28/12/2023 there was an unplanned outage of the Hummocks - Waterloo 132 kV line.

The following constraint set(s) invoked at 1925 hrs 28/12/2023
S-HUWT

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
112853INTER-REGIONAL TRANSFER28/12/2023 07:07:21 PM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023

AEMO ELECTRICITY MARKET NOTICE

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023

Refer AEMO Electricity Market Notice 112852.

Constraint set CA_SYDS_549FBEF5 revoked 1850 hrs.

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

N-Q-MNSP1


Manager NEM Real Time Operations
112852INTER-REGIONAL TRANSFER28/12/2023 06:44:09 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - constraint automation to manage Power System Security in QLD region - 28/12/2023

In order to maintain the power system in a secure operating state in the QLD region, AEMO has invoked automated constraint set CA_SYDS_549FBEF5 from 1830 hrs until further notice.

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

N-Q-MNSP1

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

Manager NEM Real Time Operations
112793POWER SYSTEM EVENTS27/12/2023 12:04:43 AM

Non-credible contingency event - QLD region - 26/12/2023

AEMO ELECTRICITY MARKET NOTICE.

Non-credible contingency event - QLD region - 26/12/2023

At 2345 hrs the Strathmore Clare South 7208 and the Strathmore Clare South Tee King Creek 7128 132kV lines tripped.

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
112784INTER-REGIONAL TRANSFER26/12/2023 07:10:58 PM

Inter-regional transfer limit variation - Pelican Point Circuit Breaker 8093 - SA region - 26/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Pelican Point Circuit Breaker 8093 - SA region - 26/12/2023

At 1832 hrs 26/12/2023 there was a short notice outage of Pelican Point Circuit Breaker 8093.

The following constraint set(s) invoked at 1855 hrs 26/12/2023
S-PPT_CB6727

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
112759INTER-REGIONAL TRANSFER26/12/2023 07:37:06 AM

Inter-regional transfer limit variation: Hazelwood - South Morang No 1 500 kV Line (VIC) - Voltage Control

AEMO ELECTRICITY MARKET NOTICE

The Hazelwood - South Morang No 1 500 kV Line has been de-energised to manage voltages in the Victoria region.

The following constraint set was invoked at 0735 hrs 26/12/2023

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
112746INTER-REGIONAL TRANSFER25/12/2023 09:46:39 PM

Inter-regional transfer limit variation - Greenbank - Mudgeeraba 835 275 kV line - QLD region - 25/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank - Mudgeeraba 835 275 kV line - QLD region - 25/12/2023

At 2102 hrs 25/12/2023 there was an unplanned outage of Greenbank - Mudgeeraba 835 275 kV line

Constraint set(s) invoked: Q-GBMU_835_836 from 2105 hrs

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
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