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[EventId:202410111435_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 11 October 2024 14:35
Issued by Australian Energy Market Operator Ltd at 1435 hrs on 11 October 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 11 October 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 11 October 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 - Forecast Minimum System Load 1 (MSL1) in the VIC Region on 12/10/2024
Cancellation - MSL1 - VIC Region at 1400 hrs 11/10/2024.
Refer to Market Notice 118646 for MSL1.
AEMO Operations
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Cancellation: Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 118767
Direction is cancelled from: 1800 hrs 11/10/2024
Manager NEM Real Time Operations
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Update Direction - AGL SA Generation Pty Limited - TORRB3 TORRENS ISLAN
Refer AEMO Electricity Market Notice 118746
The TORRB3 TORRENS ISLAN direction is now expected to stay in place until 0400 hrs 13/10/2024.
The direction update is issued at 1600 hrs 11/10/2024.
Manager NEM Real Time Operations
Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Direction - AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN
Refer to Market Notice 118763
In accordance with section 116 of the National Electricity Law, AEMO is issuing a direction to AGL SA Generation Pty Limited. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a1)(1).
Direction issued to: AGL SA Generation Pty Limited - TORRB4 TORRENS ISLAN at 1600 hrs 11/10/2024
Type of resource: generating unit
Required actions: remain synchronised and follow dispatch targets at 2230 hrs 11/10/2024
Services provided: Voltage Control
Circumstances necessitating the Direction: Voltage
Circumstances necessitating the Direction additional detail: intervention is required to maintain the power system in a secure operating state
Expected duration: 0400 hrs 13/10/2024.
AGL SA Generation Pty Limited does not incur any civil monetary liability for a relevant action taken in accordance with this direction unless the action is taken in bad faith.
Manager NEM Real Time Operations
Heywood testing (SA to Vic) 11th October 2024
There is an opportunity for testing Heywood Interconnector (HIC) flow from South Australia to Victoria above 450MW and Victoria to South Australia above 450MW on 11th October from 8:00hrs to 19:00hrs
This test includes a trip and reclose of a line in South Australia.
Please also refer to the published formal PEC Stage 1 and HIC capacity release testing information at the following link https://aemo.com.au/-/media/files/stakeholder_consultation/consultations/nem-consultations/2023/project-energyconnect-stage-1-and-hic-capacity-release/pec-stage-1-and-hic---final-test-program.pdf?la=en.
Ben Blake
AEMO Operations
[EventId:202410110530_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 11 October 2024 05:30
Issued by Australian Energy Market Operator Ltd at 0530 hrs on 11 October 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 11 October 2024.
Refer to market notice: 118764
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 0530 hrs on 11 October 2024.
This is an AEMO autogenerated Market Notice.
Cancellation of a Non-Credible Contingency Event: Collinsville - Stoney Creek 7306 132KV LINE line and Collinsville - Newlands 7121 132KV LINE line in QLD1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Collinsville - Stoney Creek 7306 132KV LINE and Collinsville - Newlands 7121 132KV LINE
Cancellation time: 10/10/2024 19:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118758
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Collinsville North - Proserpine No.7125 132 kV line and Collinsville North - Proserpine No.7126 132 kV line in QLD1 due to Lightning.
Cancellation of reclassification of a Non-Credible Contingency Event as a Credible Contingency Event due to Lightning. AEMO considers the simultaneous trip of the following circuits is no longer reasonably possible. There is no longer any lightning activity in the vicinity of the following lines. Accordingly its classification has reverted to a non-credible contingency event.
Region: QLD1
Lines: Collinsville North - Proserpine No.7125 132 kV and Collinsville North - Proserpine No.7126 132 kV
Cancellation time: 10/10/2024 19:34
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 118757
Auto-generated on behalf of Manager NEM Real Time Operations