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Reclassification of a Non-Credible Contingency Event: Tumoulin - Woree No.877 275 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: Tumoulin - Woree No.877 275 kV and Chalumbin - Turkinje No.7166 132 kV
Duration: 18/12/2024 13:40 until further notice
Constraint set(s) invoked:
NONE
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202412181330_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 18 December 2024 13:30
Issued by Australian Energy Market Operator Ltd at 1331 hrs on 18 December 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 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 1330 hrs on 18 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.
[EventId:202412181305_confirmed] Prices for interval 18-Dec-2024 13:05 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 18 December 2024
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2024 13:05.
In accordance with Market Notice 122173 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.
[EventId:202412181330_confirmed] Prices for interval 18-Dec-2024 13:30 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 18 December 2024
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2024 13:30.
In accordance with Market Notice 122179 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.
[EventId:202412181325_confirmed] Prices for interval 18-Dec-2024 13:25 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 18 December 2024
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2024 13:25.
In accordance with Market Notice 122178 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.
[EventId:202412181320_confirmed] Prices for interval 18-Dec-2024 13:20 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 18 December 2024
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2024 13:20.
In accordance with Market Notice 122177 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.
[EventId:202412181315_confirmed] Prices for interval 18-Dec-2024 13:15 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 18 December 2024
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2024 13:15.
In accordance with Market Notice 122176 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.
[EventId:202412181310_confirmed] Prices for interval 18-Dec-2024 13:10 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 18 December 2024
PRICES ARE NOW CONFIRMED for trading interval 18-Dec-2024 13:10.
In accordance with Market Notice 122175 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.
[EventId:202412181300_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 18 December 2024 13:00
Issued by Australian Energy Market Operator Ltd at 1300 hrs on 18 December 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 December 2024.
Refer to market notice: 122161
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 1300 hrs on 18 December 2024.
This is an AEMO autogenerated Market Notice.