Market Notices

124251RECLASSIFY CONTINGENCY06/02/2025 02:13:16 PM

Reclassification of a Non-Credible Contingency Event: Chalumbin - Turkinje No.7165 132 kV line and Chalumbin - Turkinje No.7166 132 kV line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Chalumbin - Turkinje No.7165 132 kV and Chalumbin - Turkinje No.7166 132 kV

Duration: 06/02/2025 14:13 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
124247RECLASSIFY CONTINGENCY06/02/2025 01:44:06 PM

Reclassification of a Non-Credible Contingency Event: Guybal Munjan - Chalumbin 857 275kV line line and Guybal Munjan - Chalumbin 858 275kV line line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Guybal Munjan - Chalumbin 857 275kV line and Guybal Munjan - Chalumbin 858 275kV line

Duration: 06/02/2025 13:44 until further notice

Constraint set(s) invoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE


Auto-generated on behalf of Manager NEM Real Time Operations
     
124246RECLASSIFY CONTINGENCY06/02/2025 01:44:05 PM

Reclassification of a Non-Credible Contingency Event: Ross - Tully South - Woree No.8905 275 kV line line and Cardwell - Tully No.7389 132kV line line in QLD1 due to Lightning.

AEMO ELECTRICITY MARKET NOTICE

Reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits to now be more likely and reasonably possible. Accordingly AEMO has reclassified it as a credible contingency event.

Region: QLD1

Lines: Ross - Tully South - Woree No.8905 275 kV line and Cardwell - Tully No.7389 132kV line

Duration: 06/02/2025 13:44 until further notice

Constraint set(s) invoked:
NONE

Auto-generated on behalf of Manager NEM Real Time Operations
     
124245NON-CONFORMANCE06/02/2025 01:19:02 PM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 6 February 2025

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

Unit: BERYLSF1
Duration: 06/02/2025 12:35 to 06/02/2025 13:15
Amount: 78 MW
Constraint: NC-N_BERYLSF1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124242NON-CONFORMANCE06/02/2025 01:05:16 PM

NON-CONFORMANCE Region SA1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Thursday, 6 February 2025

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

Unit: BLYTHB1
Duration: 06/02/2025 13:00 to 06/02/2025 13:05
Amount: -199 MW
Constraint: NC-S_BLYTHB1

Auto-generated on behalf of Manager NEM Real Time Operations
     
124239SETTLEMENTS RESIDUE06/02/2025 12:35:26 PM

[EventId:202502061235_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 06 February 2025 12:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1235 hrs on 6 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 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 1235 hrs on 6 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.
     
124238SETTLEMENTS RESIDUE06/02/2025 12:00:25 PM

[EventId:202502061200_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 06 February 2025 12:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1200 hrs on 6 February 2025

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 February 2025.

Refer to market notice: 124237

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 1200 hrs on 6 February 2025.

This is an AEMO autogenerated Market Notice.
     
124237SETTLEMENTS RESIDUE06/02/2025 10:35:29 AM

[EventId:202502061035_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 06 February 2025 10:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 6 February 2025

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 6 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 1035 hrs on 6 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.
     
124231NON-CONFORMANCE06/02/2025 04:31:43 AM

NON-CONFORMANCE Region NSW1 Thursday, 6 February 2025

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE NSW1 Region Thursday, 6 February 2025

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

Unit: VP5
Duration: 06/02/2025 01:25 to 06/02/2025 04:30
Amount: -44 MW
Constraint: NC-N_VP5

Auto-generated on behalf of Manager NEM Real Time Operations
     
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