Market Notices

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
112815SETTLEMENTS RESIDUE27/12/2023 02:00:23 PM

[EventId:202312271400_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 27 December 2023 14:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1400 hrs on 27 December 2023

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 2023.

Refer to market notice: 112810

AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.

The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1400 hrs on 27 December 2023.

This is an AEMO autogenerated Market Notice.
112810SETTLEMENTS RESIDUE27/12/2023 12:46:20 PM

[EventId:202312271245_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 27 December 2023 12:45

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1245 hrs on 27 December 2023

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 27 December 2023.

Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.

The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1245 hrs on 27 December 2023.

This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1

The RHS of the constraint equation may be adjusted to manage residues.


This is an AEMO autogenerated Market Notice.
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
112745INTER-REGIONAL TRANSFER25/12/2023 09:37:47 PM

Inter-regional transfer limit variation - Greenbank - Molendinar 8824 275 kV line - QLD region - 25/12/2023

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Greenbank - Molendinar 8824 275 kV line - QLD region - 25/12/2023

At 2057 hrs 25/12/2023 there was an unplanned outage of Greenbank - Molendinar 8824 275 kV line

The outage has been returned to service at 2125 hrs 25/12/2023

Constraint set(s) invoked: Q-GBMO_8824_8825 from 2105 hrs to 2125 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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