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PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the SA Region on 03/02/2025
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the SA region for the following Period:
[1.] From 1830 hrs 03/02/2025 to 1930 hrs 03/02/2025.
The forecast capacity reserve requirement is 404 MW.
The minimum capacity reserve available is 333 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
Update - Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
At 2138 hrs 02/02/2025 there was an unplanned outage of Ararat to Waubra to Ballarat 220 kV line.
The following constraint set(s) invoked at 2150 hrs 02/02/2025
V-AR_WB_BA
The following constraint set(s) invoked at 2230 hrs 02/02/2025
V-KIAMAL_SC_220CB
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
Inter-regional transfer limit variation - Ararat to Waubra to Ballarat 220 kV line - VIC region - 02/02/2025
At 2138 hrs 02/02/2025 there was an unplanned outage of Ararat to Waubra to Ballarat 220 kV line.
The following constraint set(s) invoked at 2150 hrs 02/02/2025
V-AR_WB_BA
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,T-V-MNSP1,V-SA,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
[EventId:202502011830_NRM_VIC1_SA1_stopped] NEGRES CONSTRAINT NRM_VIC1_SA1 ceased operating from 01 February 2025 18:30
Issued by Australian Energy Market Operator Ltd at 1830 hrs on 1 February 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 1 February 2025.
Refer to market notice: 123990
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 1830 hrs on 1 February 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202502011700_NRM_VIC1_SA1_started] NEGRES CONSTRAINT NRM_VIC1_SA1 started operating from 01 February 2025 17:00
Issued by Australian Energy Market Operator Ltd at 1700 hrs on 1 February 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - VIC to SA - 1 February 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 1700 hrs on 1 February 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.
Inter-regional transfer limit variation - Armidale - Tamworth No. 86 330 kV Line - NSW region - 01/02/2025
Inter-regional transfer limit variation - Armidale - Tamworth No. 86 330 kV Line - NSW region - 01/02/2025
A planned outage of Armidale - Tamworth No. 86 330 kV Line in the NSW region was scheduled to be completed at 1030 hrs 01/02/2025
The outage has been completed by 0835 hrs 01/02/2025
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
NON-CONFORMANCE Region NSW1 Friday, 31 January 2025
NON-CONFORMANCE NSW1 Region Friday, 31 January 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: WTAHB1
Duration: 31/01/2025 11:05 to 31/01/2025 11:30
Amount: -226 MW
Constraint: NC-N_WTAHB1
Auto-generated on behalf of Manager NEM Real Time Operations
Inter-Regional Transfer limit variation - Directlink - NSW Region
Inter-Regional Transfer limit variation - Directlink - NSW Region
There has been an unplanned outage of the No 2 Leg of Directlink .
The following constraint set was invoked at 1525 hrs 30/01/2025
N-X_MBTE_2
The constraint set contains the following interconnector on the left hand side.
N-Q-MNSP1
Refer AEMO Network Outage Scheduler (NOS) for further details.
Manager NEM Real Time Operations
[EventId:202501301330_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 30 January 2025 13:30
Issued by Australian Energy Market Operator Ltd at 1330 hrs on 30 January 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 30 January 2025.
Refer to market notice: 123921
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 1330 hrs on 30 January 2025.
This is an AEMO autogenerated Market Notice.