Market Notices

117686SETTLEMENTS RESIDUE15/08/2024 06:05:21 PM

[EventId:202408151805_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 15 August 2024 18:05

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1805 hrs on 15 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 15 August 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 1805 hrs on 15 August 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.
     
117685SETTLEMENTS RESIDUE15/08/2024 06:00:50 PM

[EventId:202408151800_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 15 August 2024 18:00

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1800 hrs on 15 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 15 August 2024.

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

The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1800 hrs on 15 August 2024.

This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1

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


This is an AEMO autogenerated Market Notice.
     
117683RECLASSIFY CONTINGENCY15/08/2024 05:11:11 PM

Reclassification of a Non-Credible Contingency Event: Palmerston - Hadspen 3 & 4 110kV line and line in TAS1 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: TAS1

Lines: Palmerston - Hadspen 3 & 4 110kV and

Duration: 15/08/2024 17:11 until further notice

Constraint set(s) invoked:
T-HAPM_110_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
     
117680NON-CONFORMANCE15/08/2024 12:40:26 PM

NON-CONFORMANCE Region SA1 Thursday, 15 August 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Thursday, 15 August 2024

AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:

Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 15/08/2024 11:05 to 15/08/2024 12:40
Amount: -28 MW
Constraint: NC-S_TB2HYB_ADG1

Auto-generated on behalf of Manager NEM Real Time Operations
     
117679NON-CONFORMANCE15/08/2024 10:10:17 AM

NON-CONFORMANCE Region SA1 Thursday, 15 August 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Wednesday, 14 August 2024

AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:

Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 14/08/2024 15:50 to 15/08/2024 10:10
Amount: -28 MW
Constraint: NC-S_TB2HYB_ADG1

Auto-generated on behalf of Manager NEM Real Time Operations
     
117676NON-CONFORMANCE14/08/2024 03:20:18 PM

NON-CONFORMANCE Region SA1 Wednesday, 14 August 2024

AEMO ELECTRICITY MARKET NOTICE

NON-CONFORMANCE SA1 Region Wednesday, 14 August 2024

AEMO has declared the following units comprising an Aggregate Dispatch Group as non-conforming under clause 3.8.23 of the National Electricity Rules:

Units: TB2BG1, TB2BL1
Aggregate Dispatch Group: TB2HYB_ADG1
Duration: 14/08/2024 10:30 to 14/08/2024 15:20
Amount: 26 MW
Constraint: NC-S_TB2HYB_ADG1

Auto-generated on behalf of Manager NEM Real Time Operations
     
117671RECLASSIFY CONTINGENCY14/08/2024 08:45:51 AM

Cancellation: Reclassification of non-credible contingency event due to existence of widespread abnormal condition - NEM region.

AEMO ELECTRICITY MARKET NOTICE.
AEMO considers the occurrence of a non-credible contingency event due to the widespread abnormal conditions advised in AEMO Electricity Market Notice 117660 is no longer reasonably possible and accordingly its classification has reverted to non-credible.

Cancellation time: 0845hrs 14/08/2024.

No constraints were invoked during this event

Manager NEM Real Time Operations
     
117662SETTLEMENTS RESIDUE13/08/2024 11:20:27 AM

[EventId:202408131120_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 13 August 2024 11:20

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1120 hrs on 13 August 2024

CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 August 2024.

Refer to market notice: 117661

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 1120 hrs on 13 August 2024.

This is an AEMO autogenerated Market Notice.
     
117661SETTLEMENTS RESIDUE13/08/2024 10:35:30 AM

[EventId:202408131035_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 13 August 2024 10:35

AEMO ELECTRICITY MARKET NOTICE

Issued by Australian Energy Market Operator Ltd at 1035 hrs on 13 August 2024

ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 13 August 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 1035 hrs on 13 August 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.
     
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