Market Notices

116272INTER-REGIONAL TRANSFER22/04/2024 02:55:17 PM

Inter-regional transfer limit variation -Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Liddell - Tomago 82 330kV Line - NSW region - 22/04/2024

A planned outage of Liddell - Tomago 82 330kV Line in the NSW region was scheduled from 0600 hrs 03/04/2024 to 1700 hrs 22/04/2024.

The outage has been completed and Liddell - Tomago 82 330kV Line returned to service at 1450 hrs 22/04/2024

Constraint set(s) revoked: N-LDTM_82_OPEN

Manager NEM Real Time Operations
116270INTER-REGIONAL TRANSFER22/04/2024 01:32:54 PM

Inter-regional transfer limit variation - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Farrell - Sheffield Nos 1 and 2 220kV Lines - TAS region - 22/04/2024

At 1315 hrs 22/04/2024 there was an unplanned outage of Farrell - Sheffield Nos 1 and 2 220kV Lines.

The following constraint set(s) invoked at 1315 hrs 22/04/2024
T-X_FASH_C

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

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
116212SETTLEMENTS RESIDUE20/04/2024 01:00:26 PM

[EventId:202404201300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 20 April 2024 13:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1300 hrs on 20 April 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 April 2024.

Refer to market notice: 116210

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 1300 hrs on 20 April 2024.

This is an AEMO autogenerated Market Notice.
116210SETTLEMENTS RESIDUE20/04/2024 12:05:23 PM

[EventId:202404201205_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 20 April 2024 12:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1205 hrs on 20 April 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 April 2024.

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 1205 hrs on 20 April 2024.

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.
116209INTER-REGIONAL TRANSFER20/04/2024 12:10:41 AM

Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tailem Bend 275 kV Capacitor - SA region - 19/04/2024

At 2341 hrs 19/04/2024 there was an unplanned outage of the Tailem Bend 275 kV Capacitor.

The following constraint set(s) invoked at 0005 hrs 20/04/2024
S-TBCP1

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
116208INTER-REGIONAL TRANSFER19/04/2024 05:09:45 PM

Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Murraylink interconnector - VIC and SA regions - 19/04/2024

A planned outage of Murraylink interconnector was scheduled from 0800 hrs 24/03/2024 to 1700 hrs 27/04/2024.

The outage has been completed and Murraylink interconnector returned to service at 1710 hrs 19/04/2024

Constraint set(s) revoked: I-MURRAYLINK

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
116196INTER-REGIONAL TRANSFER18/04/2024 07:05:27 PM

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system- NSW region - 18/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Tamworth No1 SVC Protection system - NSW region - 18/04/2024

At 1900 hrs 18/04/2024 there was a short notice outage of Tamworth No1 SVC protection system.

The following constraint set(s) invoked at 1900 hrs 18/04/2024
N-TW_SVC

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
116161INTER-REGIONAL TRANSFER17/04/2024 04:53:11 AM

Inter-regional transfer limit variation - Heywood No 2 500 kV bus - VIC region - 17/04/2024

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Heywood No 2 500 kV bus - VIC region - 17/04/2024

Refer market notice 116160

At 0414 hrs 17/04/2024 there was an unplanned outage of Heywood No 2 500 kV bus.

The following constraint set(s) invoked at 0430 hrs 17/04/2024
F-I-HYSE
S-X_BC_CP
V-HYTX_M12
V-HY_500BUS

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

V-S-MNSP1, V-SA, T-V-MNSP1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
116154INTER-REGIONAL TRANSFER16/04/2024 12:02:05 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 16/04/2024

AEMO ELECTRICITY MARKET NOTICE

In order to maintain the power system in a secure operating state in the SA region, AEMO has invoked automated constraint set CA_BRIS_55306556 from 1150 hrs until further notice.

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

V-SA

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

Manager NEM Real Time Operations
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