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126926RECLASSIFY CONTINGENCY07/05/2025 11:43:36 AM
Reclassification of a Non-Credible Contingency Event: Gordon - Chapel St No 1 220kV line and Gordon - Chapel St No 2 220kV 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: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Duration: 07/05/2025 11:43 until further notice
Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
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: Gordon - Chapel St No 1 220kV and Gordon - Chapel St No 2 220kV
Duration: 07/05/2025 11:43 until further notice
Constraint set(s) invoked:
F-T-CSGO Constraint set contains the following interconnector(s) on the left hand side:
T-V-MNSP1
T-CSGO_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
126923PRICES UNCHANGED06/05/2025 07:20:25 PM
[EventId:202505061900_confirmed] Prices for interval 06-May-2025 19:00 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:00.
In accordance with Market Notice 126913 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 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:00.
In accordance with Market Notice 126913 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.
126922PRICES UNCHANGED06/05/2025 07:20:24 PM
[EventId:202505061920_confirmed] Prices for interval 06-May-2025 19:20 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:20.
In accordance with Market Notice 126917 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 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:20.
In accordance with Market Notice 126917 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.
126921PRICES UNCHANGED06/05/2025 07:20:23 PM
[EventId:202505061915_confirmed] Prices for interval 06-May-2025 19:15 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:15.
In accordance with Market Notice 126916 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 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:15.
In accordance with Market Notice 126916 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.
126920PRICES UNCHANGED06/05/2025 07:20:22 PM
[EventId:202505061910_confirmed] Prices for interval 06-May-2025 19:10 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:10.
In accordance with Market Notice 126915 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 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:10.
In accordance with Market Notice 126915 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.
126919PRICES UNCHANGED06/05/2025 07:20:20 PM
[EventId:202505061905_confirmed] Prices for interval 06-May-2025 19:05 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:05.
In accordance with Market Notice 126914 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 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 19:05.
In accordance with Market Notice 126914 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.
126918PRICES UNCHANGED06/05/2025 07:20:22 PM
[EventId:202505061855_confirmed] Prices for interval 06-May-2025 18:55 are now confirmed
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 18:55.
In accordance with Market Notice 126912 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 1920 hrs on 6 May 2025
PRICES ARE NOW CONFIRMED for trading interval 06-May-2025 18:55.
In accordance with Market Notice 126912 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.
126909SETTLEMENTS RESIDUE06/05/2025 05:00:30 PM
[EventId:202505061700_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 06 May 2025 17:00
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 6 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 6 May 2025.
Refer to market notice: 126908
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 1700 hrs on 6 May 2025.
This is an AEMO autogenerated Market Notice.
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 6 May 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 6 May 2025.
Refer to market notice: 126908
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 1700 hrs on 6 May 2025.
This is an AEMO autogenerated Market Notice.
126908SETTLEMENTS RESIDUE06/05/2025 04:20:26 PM
[EventId:202505061620_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 06 May 2025 16:20
AEMO ELECTRICITY MARKET NOTICE
Issued by Australian Energy Market Operator Ltd at 1620 hrs on 6 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 6 May 2025.
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 1620 hrs on 6 May 2025.
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 1620 hrs on 6 May 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 6 May 2025.
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 1620 hrs on 6 May 2025.
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.