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[EventId:202401180935_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 18 January 2024 09:35
Issued by Australian Energy Market Operator Ltd at 0935 hrs on 18 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 18 January 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 0935 hrs on 18 January 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.
Inter-regional transfer limit variation - Bulli Creek - Dumaresq 8M 330 kV line - QLD region - 17/01/2024
Inter-regional transfer limit variation - Bulli Creek - Dumaresq 8M 330 kV line - QLD region - 17/01/2024
At 2115 hrs 17/01/2024 there was an unplanned outage of Bulli Creek - Dumaresq 8M 330 kV line.
The following constraint set(s) invoked at 2130 hrs 17/01/2024
I-BCDM_ONE, N-DM_SVC, N-TW_SVC, N-X_8L+DM+TW_SVC, N-X_DM+LS+TW_SVC
This constraint set(s) contains equations with the following interconnectors on the LHS.
NSW1-QLD1,T-V-MNSP1,N-Q-MNSP1,V-S-MNSP1,V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
[EventId:202401171940_NRM_QLD1_NSW1_stopped] NEGRES CONSTRAINT NRM_QLD1_NSW1 ceased operating from 17 January 2024 19:40
Issued by Australian Energy Market Operator Ltd at 1940 hrs on 17 January 2024
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 17 January 2024.
Refer to market notice: 113382
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the QLD to NSW directional interconnector.
The negative residue constraint NRM_QLD1_NSW1 ceased operating at 1940 hrs on 17 January 2024.
This is an AEMO autogenerated Market Notice.
[EventId:202401171905_NRM_QLD1_NSW1_started] NEGRES CONSTRAINT NRM_QLD1_NSW1 started operating from 17 January 2024 19:05
Issued by Australian Energy Market Operator Ltd at 1905 hrs on 17 January 2024
ACTUAL NEGATIVE SETTLEMENT RESIDUES - QLD to NSW - 17 January 2024.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the QLD to NSW directional interconnector.
The negative residue constraint set NRM_QLD1_NSW1 commenced operating from 1905 hrs on 17 January 2024.
This constraint set contains an equation with the following interconnectors on the LHS:
N-Q-MNSP1
NSW1-QLD1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
Update - Direction - SA Region - 16/01/2024
Update - Direction - SA Region - 16/01/2024
Refer Market Notice 113322
The AEMO intervention event that commenced from interval ending 1435 hrs on 16/01/2024 is continuing.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
Manager NEM Real Time Operations
Direction - SA region 16/01/2024
Direction - SA region 16/01/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1435 hrs on 16/01/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 15/01/2024
Cancellation - AEMO Intervention Event - Intervention trading intervals - Direction SA region 15/01/2024
Refer Market Notice 113275
The AEMO Intervention Event and all associated directions are cancelled from 1300 hrs 16/01/2024
Manager NEM Real Time Operations
Update - Possible intervention to manage power system security in SA region
Update - Possible intervention to manage power system security in SA region
Refer AEMO Electricity Market Notice 113307
The synchronous generating units currently expected to be synchronised in SA from 2300 hrs 16/01/2024 will be inadequate to maintain a secure operating state in SA .
AEMO estimates that, in the absence of sufficient market response by 1400 hrs 16/01/2024, 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
Possible intervention to manage power system security in South Australia (SA) Region
Possible intervention to manage power system security in South Australia (SA) Region
The synchronous generating units currently expected to be synchronised in SA from 2300 hrs 16/01/2024 will be inadequate to maintain sufficient system strength in SA and hence a secure operating state.
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