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114915SETTLEMENTS RESIDUE21/02/2024 11:30:29 AM
[EventId:202402211130_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 21 February 2024 11:30
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1130 hrs on 21 February 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 21 February 2024.
Refer to market notice: 114914
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1130 hrs on 21 February 2024.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1130 hrs on 21 February 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 21 February 2024.
Refer to market notice: 114914
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the VIC to SA directional interconnector.
The negative residue constraint NRM_VIC1_SA1 ceased operating at 1130 hrs on 21 February 2024.
This is an AEMO autogenerated Market Notice.
114914SETTLEMENTS RESIDUE21/02/2024 09:55:25 AM
[EventId:202402210955_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 21 February 2024 09:55
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 0955 hrs on 21 February 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 21 February 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 SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 0955 hrs on 21 February 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 0955 hrs on 21 February 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 21 February 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 SA directional interconnector.
The negative residue constraint set NRM_VIC1_SA1 commenced operating from 0955 hrs on 21 February 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
V-S-MNSP1
V-SA
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
114913RECLASSIFY CONTINGENCY21/02/2024 05:34:01 AM
Cancellation of the reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale and Norwood - Scottsdale - Derby 110kV lines in TAS due to lightning.
AEMO ELECTRICITY MARKET NOTICE.
Cancellation of the 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: TAS
Lines: Norwood - Scottsdale and Norwood - Scottsdale - Derby 110kV lines
Cancellation time: 21/02/2024 05:35 hrs
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 114910
Manager NEM Real Time Operations
Cancellation of the 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: TAS
Lines: Norwood - Scottsdale and Norwood - Scottsdale - Derby 110kV lines
Cancellation time: 21/02/2024 05:35 hrs
Constraint set(s) revoked: Nil
Refer AEMO Electricity Market Notice 114910
Manager NEM Real Time Operations
114912NON-CONFORMANCE21/02/2024 05:16:04 AM
NON-CONFORMANCE Region QLD1 Wednesday, 21 February 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Wednesday, 21 February 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YABULU2
Duration: 21/02/2024 04:30 to 21/02/2024 05:15
Amount: 41 MW
Constraint: NC-Q_YABULU2
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Wednesday, 21 February 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YABULU2
Duration: 21/02/2024 04:30 to 21/02/2024 05:15
Amount: 41 MW
Constraint: NC-Q_YABULU2
Auto-generated on behalf of Manager NEM Real Time Operations
114911NON-CONFORMANCE21/02/2024 05:15:13 AM
NON-CONFORMANCE Region QLD1 Wednesday, 21 February 2024
AEMO ELECTRICITY MARKET NOTICE
NON-CONFORMANCE QLD1 Region Wednesday, 21 February 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YABULU
Duration: 21/02/2024 04:30 to 21/02/2024 05:15
Amount: 75 MW
Constraint: NC-Q_YABULU
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE QLD1 Region Wednesday, 21 February 2024
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: YABULU
Duration: 21/02/2024 04:30 to 21/02/2024 05:15
Amount: 75 MW
Constraint: NC-Q_YABULU
Auto-generated on behalf of Manager NEM Real Time Operations
114910RECLASSIFY CONTINGENCY21/02/2024 02:11:31 AM
Reclassification of a Non-Credible Contingency Event: Norwood - Scottsdale and Norwood - Scottsdale - Derby 110kV lines in TAS 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: TAS
Lines: Norwood - Scottsdale and Norwood - Scottsdale - Derby 110kV lines
Duration: 21/02/2024 02:03 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
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: TAS
Lines: Norwood - Scottsdale and Norwood - Scottsdale - Derby 110kV lines
Duration: 21/02/2024 02:03 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
114909RECLASSIFY CONTINGENCY20/02/2024 11:39:45 PM
Cancellation of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 due to Lightning.
AEMO ELECTRICITY MARKET NOTICE
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 20/02/2024 23:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 114908
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Cancellation time: 20/02/2024 23:39
Constraint set(s) revoked:
NONE
Refer AEMO Electricity Market Notice 114908
Auto-generated on behalf of Manager NEM Real Time Operations
114908RECLASSIFY CONTINGENCY20/02/2024 06:35:25 PM
Reclassification of a Non-Credible Contingency Event: Eildon PS - Mt Beauty No.1 220 kV line and Eildon PS - Mt Beauty No.2 220 kV line in VIC1 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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 20/02/2024 18:35 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
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: VIC1
Lines: Eildon PS - Mt Beauty No.1 220 kV and Eildon PS - Mt Beauty No.2 220 kV
Duration: 20/02/2024 18:35 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
114907PRICES UNCHANGED20/02/2024 06:34:54 PM
[EventId:202402201810_confirmed] Prices for interval 20-Feb-2024 18:10 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 20 February 2024
PRICES ARE NOW CONFIRMED for trading interval 20-Feb-2024 18:10.
In accordance with Market Notice 114897 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 20 February 2024
PRICES ARE NOW CONFIRMED for trading interval 20-Feb-2024 18:10.
In accordance with Market Notice 114897 AEMO has reviewed this trading interval and determined that:
- Manifestly Incorrect Inputs did not apply
Prices remain unchanged.
This is an AEMO autogenerated Market Notice.