Market Notices

124477INTER-REGIONAL TRANSFER11/02/2025 11:27:16 PM

Inter-regional transfer limit variation - Armidale No 1 SVC- NSW region - 11/02/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Armidale No 1 SVC - NSW region - 11/02/2025

At 2315 hrs 11/02/2025 there was an unplanned outage of Armidale No 1 SVC.

The following constraint set(s) invoked at 2325 hrs 11/02/2025
N-AR_VC1

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
     
124472INTER-REGIONAL TRANSFER11/02/2025 06:00:41 PM

Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - Yass Overload Control Scheme - NSW region - 11/02/2025

At 1750 hrs 11/02/2025 there was a short notice outage of Yass Overload Control Scheme.

The following constraint set(s) invoked at 1750 hrs: N-YSWG_SCHEME

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
     
124469INTER-REGIONAL TRANSFER11/02/2025 03:59:36 PM

Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025

AEMO ELECTRICITY MARKET NOTICE

Inter-regional transfer limit variation - MLTS-SMTS No1 500 kV line CB at SYTS - VIC region - 11/02/2025

At 1538 hrs 11/02/2025 there was an unplanned outage of MLTS-SMTS No1 500 kV line CB at SYTS .

The following constraint set(s) invoked at 1600 hrs 11/02/2025
V-SY_CB

This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1,V-S-MNSP1,V-SA,VIC1-NSW1

Refer to the AEMO Network Outage Scheduler for further information.

Manager NEM Real Time Operations
     
124468INTER-REGIONAL TRANSFER11/02/2025 03:40:29 PM

Cancellation - Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025

AEMO ELECTRICITY MARKET NOTICE

Referring to Market Notice 124466.

The power system security condition in the SA region, requiring AEMO to invoke the automated constraint set CA_SYDS_56BD5936 has ended at 1520 hrs.

Constraint set revoked: CA_SYDS_56BD5936

Manager NEM Real Time Operations
     
124466INTER-REGIONAL TRANSFER11/02/2025 02:19:04 PM

Inter-regional transfer limit variation - constraint automation to manage Power System Security in SA region - 11/02/2025

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_SYDS_56BD5936 from 1410 hrs until further notice.

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

V-SA

Manager NEM Real Time Operations
     
124464NON-CONFORMANCE11/02/2025 02:00:17 PM

NON-CONFORMANCE Region NSW1 Tuesday, 11 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Tuesday, 11 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: WTAHB1
Duration: 11/02/2025 13:55 to 11/02/2025 14:00
Amount: -11 MW
Constraint: NC-N_WTAHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124443SETTLEMENTS RESIDUE10/02/2025 04:00:27 PM

[EventId:202502101600_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 10 February 2025 16:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1600 hrs on 10 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 February 2025.

Refer to market notice: 124442

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 1600 hrs on 10 February 2025.

This is an AEMO autogenerated Market Notice.
     
124442SETTLEMENTS RESIDUE10/02/2025 03:05:26 PM

[EventId:202502101505_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 10 February 2025 15:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1505 hrs on 10 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 10 February 2025.

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 1505 hrs on 10 February 2025.

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.
     
124436NON-CONFORMANCE10/02/2025 02:10:15 PM

NON-CONFORMANCE Region NSW1 Monday, 10 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Monday, 10 February 2025

AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:

Unit: GULLRWF2
Duration: 10/02/2025 11:15 to 10/02/2025 14:10
Amount: 13 MW
Constraint: NC-N_GULLRWF2

Auto-generated on behalf of Manager NEM Real Time Operations
     
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