Filter by category
Filter by Date
Inter-regional transfer limit variation: Hazelwood - South Morang No 1 500 kV Line (VIC) - Voltage Control
The Hazelwood - South Morang No 1 500 kV Line has been de-energised to manage voltages in the Victoria region.
The following constraint set was invoked at 0600 hrs 17/12/2023
V-HWSM
The constraint set contains equations with the following interconnectors on the LHS.
T-V-MNSP
V-S-MNSP1
V-SA
VIC1-NSW1
Refer to AEMO Network Outage Scheduler (NOS) for return to service details
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Sydney West - Vineyard No 29 330kV line - NSW region - 17/12/2023
Inter-regional transfer limit variation - Sydney West - Vineyard No 29 330kV line - NSW region - 17/12/2023
At 0545 hrs 17/12/2023 there was a short notice outage of Sydney West - Vineyard No 29 330kV line.
Constraint set(s) invoked: N-SWVY_29
The following constraint set(s) invoked at 0545 hrs 17/12/2023
N-SWVY_29
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,NSW1-QLD1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Cancellation time: 17/12/2023 03:15
Constraint set(s) revoked:
Q-RSCH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
NONE
Refer AEMO Electricity Market Notice 112430
Auto-generated on behalf of Manager NEM Real Time Operations
Reclassification of a Non-Credible Contingency Event: Ross - Chalumbin No.857 275 kV line and Ross - Chalumbin No.858 275 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: Ross - Chalumbin No.857 275 kV and Ross - Chalumbin No.858 275 kV
Duration: 17/12/2023 01:35 until further notice
Constraint set(s) invoked:
Q-RSCH_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
Cancellation of a Non-Credible Contingency Event: Armidale - Dumaresq 8C 330kV line and Armidale - Sapphire WF 8E 330kV line in NSW1 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: NSW1
Lines: Armidale - Dumaresq 8C 330kV and Armidale - Sapphire WF 8E 330kV
Cancellation time: 16/12/2023 14:49
Constraint set(s) revoked:
N-ARDM_ARSR_1PH_N-2 Constraint set contains the following interconnector(s) on the left hand side:
N-Q-MNSP1
NSW1-QLD1
Refer AEMO Electricity Market Notice 112405
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202312161135_confirmed] Prices for interval 16-Dec-2023 11:35 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 11:35.
In accordance with Market Notice 112401 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:202312161200_confirmed] Prices for interval 16-Dec-2023 12:00 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 12:00.
In accordance with Market Notice 112407 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:202312161155_confirmed] Prices for interval 16-Dec-2023 11:55 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 11:55.
In accordance with Market Notice 112406 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:202312161150_confirmed] Prices for interval 16-Dec-2023 11:50 are now confirmed
Issued by Australian Energy Market Operator Ltd at 1200 hrs on 16 December 2023
PRICES ARE NOW CONFIRMED for trading interval 16-Dec-2023 11:50.
In accordance with Market Notice 112404 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.