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Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 05/08/2024
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 05/08/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2030 hrs.
The Actual LOR1 condition is forecast to exist until 2100 hrs.
The capacity reserve requirement is 450 MW
The minimum capacity reserve available is 428 MW
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Cancellation time: 04/08/2024 02:19
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117543
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Farrell-John Butters line and Farrell-Rosebery-Newton-Queenstown line in TAS1 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: TAS1
Lines: Farrell-John Butters and Farrell-Rosebery-Newton-Queenstown
Duration: 04/08/2024 00:18 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Cancellation time: 03/08/2024 10:04
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 117540
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale 1 110kV line and Norwood-Derby-Scottsdale 110kV line in TAS1 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: TAS1
Lines: Norwood - Scottsdale 1 110kV and Norwood-Derby-Scottsdale 110kV
Duration: 03/08/2024 09:01 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202408010745_NRM_VIC1_NSW1_stopped] NEGRES CONSTRAINT NRM_VIC1_NSW1 ceased operating from 01 August 2024 07:45
Issued by Australian Energy Market Operator Ltd at 0745 hrs on 1 August 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.
Refer to market notice: 117517
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to NSW directional interconnector.
The negative residue constraint NRM_VIC1_NSW1 ceased operating at 0745 hrs on 1 August 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202408010640_NRM_VIC1_NSW1_started] NEGRES CONSTRAINT NRM_VIC1_NSW1 started operating from 01 August 2024 06:40
Issued by Australian Energy Market Operator Ltd at 0640 hrs on 1 August 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to NSW - 1 August 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the VIC to NSW directional interconnector.
The negative residue constraint set NRM_VIC1_NSW1 commenced operating from 0640 hrs on 1 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.
Cancellation of Actual (LOR1) condition in the SA region - 30/07/2024
Cancellation of Actual (LOR1) condition in the SA region - 30/07/2024
The Actual LOR1 Condition in the SA Region advised in AEMO Electricity Market Notice No. 117509 is cancelled at 2040 hrs 30/07/2024.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 30/07/2024
Actual Lack Of Reserve Level 1 (LOR1) in the SA region - 30/07/2024
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the SA region from 2000 hrs.
The Actual LOR1 condition is forecast to exist until 2030 hrs
The capacity reserve requirement is 450 MW
The minimum capacity reserve available is 404 MW
Manager NEM Real Time Operations