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Inter-Regional Transfer limit variation - Basslink 21/05/2024
Inter-Regional Transfer limit variation - Basslink
There has been an unplanned outage of the Basslink interconnector at 0235 hrs
The following constraint set was invoked at 0240 hrs 21/05/2024
I-BL_ZERO
The constraint set contains the following interconnector on the left hand side.
T-V-MNSP1
Manager NEM Real Time Operations
[EventId:202405201830_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 20 May 2024 18:30
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 20 May 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 May 2024.
Refer to market notice: 116731
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 1830 hrs on 20 May 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202405201730_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 20 May 2024 17:30
Issued by Australian Energy Market Operator Ltd at 1730 hrs on 20 May 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 20 May 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 1730 hrs on 20 May 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.
Possible intervention to manage power system security in SA region
Possible intervention to manage power system security in SA region
The synchronous generating units currently expected to be synchronised in SA from 0930 hrs 20/05/2024 will be inadequate to maintain a secure operating state in SA .
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA .
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/05/2024
Inter-regional transfer limit variation - Tamworth - Armidale No. 86 330 kV Line - NSW region - 19/05/2024
A planned outage of Tamworth - Armidale No. 86 330 kV Line in the NSW region was scheduled from 0800 hrs 07/05/2024 to 1800 hrs 20/05/2024.
The outage has been rescheduled to be completed by 1200 hrs 19/05/2024.
Constraint set(s) invoked:
N-ARTW_86
N-DM_SVC
N-TW_SVC
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW1-QLD1
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - DAPTO - MARULAN 8 330KV Line- NSW region - 18/05/2024
Inter-regional transfer limit variation - DAPTO - MARULAN 8 330KV Line - NSW region - 18/05/2024
A planned outage of DAPTO - MARULAN 8 330KV Line in the NSW region was scheduled from 0830 hrs 27/04/2024 to 1200 hrs 20/05/2024.
The outage has been completed at 1750 hrs 18/05/2024.
Constraint set(s) revoked: N-DTMN_8_15M, N-X_3L+8
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1,
NSW1-QLD1,
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 17/05/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 17/05/2024
Refer Market Notice 116645
The AEMO Intervention Event and all associated directions are cancelled from 1430 hrs 18/05/2024
Manager NEM Real Time Operations
Possible intervention to manage power system security in SA region
Possible intervention to manage power system security in SA region
The synchronous generating units currently expected to be synchronised in SA from 0930 hrs 19/05/2024 will be inadequate to maintain a secure operating state in SA .
AEMO may need to intervene by issuing a direction requiring one or more SA synchronous generating unit(s) to operate or remain synchronised to maintain power system security in SA .
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 16/05/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 16/05/2024
Refer Market Notice 116634
The AEMO Intervention Event and all associated directions are cancelled from 1530 hrs 17/05/2024
Manager NEM Real Time Operations