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Update - Foreseeable AEMO intervention in SA region
Update - Foreseeable AEMO intervention in SA region
Refer AEMO Electricity Market Notice 122272
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 20/12/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
AEMO estimates that, in the absence of sufficient market response by 1600 hrs 19/12/2024, AEMO may need to intervene by issuing a direction.
Manager NEM Real Time Operations
[EventId:202412191530_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 19 December 2024 15:30
Issued by Australian Energy Market Operator Ltd at 1530 hrs on 19 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 19 December 2024.
Refer to market notice: 122270
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 1530 hrs on 19 December 2024.
This is an AEMO autogenerated Market Notice.
Reclassification of a Non-Credible Contingency Event: Strathmore - Clare South No.7208 132 kV line and Strathmore - Clare South tee King Creek No.7128 132 kV line in QLD1 due to Lightning.
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: Strathmore - Clare South No.7208 132 kV and Strathmore - Clare South tee King Creek No.7128 132 kV
Duration: 19/12/2024 15:28 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
Foreseeable AEMO intervention under clause 4.8.5A (a) of the NER in SA region
AEMO has identified a foreseeable circumstance that may require an AEMO intervention event in the SA region from 0730 hrs 20/12/2024.
The foreseeable circumstance requiring the need for intervention is Voltage.
Manager NEM Real Time Operations
[EventId:202412191435_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 19 December 2024 14:35
Issued by Australian Energy Market Operator Ltd at 1435 hrs on 19 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 19 December 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 1435 hrs on 19 December 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.
Cancellation - AEMO Intervention Event - SA region 16/12/2024
Cancellation - AEMO Intervention Event - SA region 16/12/2024
Refer to Market Notice 122011
The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs on 19/12/2024.
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer to Market Notice 122198
Direction is cancelled from: 1530 hrs 19/12/2024
Manager NEM Real Time Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB2 TORRENS ISLAN
Refer to Market Notice 122199
Direction is cancelled from: 1500 hrs 19/12/2024
Manager NEM Real Time Operations
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.
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: 19/12/2024 13:46 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations