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Inter-regional transfer limit variation - Palmerston A 220kV Bus - TAS region - 26/03/2025
Inter-regional transfer limit variation - Palmerston A 220kV Bus - TAS region - 26/03/2025
Refer to Market Notice 125962.
The following constraint set(s) invoked from 1600 hrs to 1620 hrs 26/03/2026.
T-LIPM_WACB
T-LIPM_WACB_SL_N-2
This constraint set(s) contains equations with the following interconnectors on the LHS.
T-V-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 26/03/2025
Non-credible contingency event - TAS region - 26/03/2025
At 1551 hrs the Palmerston A 220kV Bus tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
Approximately 40MW of generation was disconnected.
The cause of this non credible contingency event has been identified and AEMO is satisfied that another occurrence of this event is unlikely under the current circumstances.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Lower Tumut - Canberra 07 330kV Line - NSW region - 25/03/2025
Inter-regional transfer limit variation - Lower Tumut - Canberra 07 330kV Line - NSW region - 25/03/2025
A planned outage of Lower Tumut - Canberra 07 330kV Line in the NSW region was scheduled from 1746 hrs 21/03/2025 to 1800 hrs 26/03/2025.
The outage has been completed and Lower Tumut - Canberra 07 330kV Line returned to service at 1555 hrs 25/03/2025
Constraint set(s) revoked: N-CNLT_07
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Canberra - Lower Tumut (07) 330 kV Line. - NSW region - 21/03/2025
Inter-regional transfer limit variation -Canberra - Lower Tumut (07) 330 kV Line - NSW region - 21/03/2025
At 1746 hrs 21/03/2025 there was an unplanned outage of Canberra - Lower Tumut (07) 330 kV Line.
The following constraint sets invoked at 1800 hrs 21/03/2025
N-CNLT_07
N-X_4+07_WG_CLOSE
This constraint set(s) contains equations with the following interconnectors on the LHS.
N-Q-MNSP1
NSW-QLD1
VIC-NSW1
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Darlington Point - Balranald X5 220kV Line - NSW region - 21/03/2025
Inter-regional transfer limit variation - Darlington Point - Balranald X5 220kV Line - NSW region - 21/03/2025
A planned outage of Darlington Point - Balranald X5 220kV Line in the NSW region was scheduled from 0600 hrs 21/03/2025 to 1600 hrs 21/03/2025.
The outage has been completed and Darlington Point - Balranald X5 220kV Line returned to service at 1220 hrs 21/03/2025
Constraint set(s) revoked: N-BADP
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Robertstown - Tungkillo 1 275 kV line - SA region - 19/03/2025
Inter-regional transfer limit variation - Robertstown - Tungkillo 1 275 kV line - SA region - 19/03/2025
At 1450 hrs 19/03/2025 there was a short notice outage of Robertstown - Tungkillo 1 275 kV line.
The following constraint set(s) invoked at 1455 hrs 19/03/2025
S-RBTU
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
V-SA
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125700 has been updated at1415 hrs to the following:
[1.] From 1700 hrs 16/03/2025 to 1930 hrs 16/03/2025.
The forecast capacity reserve requirement is 1720 MW.
The minimum capacity reserve available is 1162 MW.
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 16/03/2025
Non-credible contingency event - QLD region - 16/03/2025
At 1131 hrs the H35 Strathmore 132 kV No 2 bus tripped. Whitsunday Solar farm and Hamilton Solar farm were disconnected.
AEMO did not instruct load shedding.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 16/03/2025
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 125698 has been updated at1045 hrs to the following:
[1.] From 1600 hrs 16/03/2025 to 1700 hrs 16/03/2025.
The forecast capacity reserve requirement is 1370 MW.
The minimum capacity reserve available is 725 MW.
[2.] From 1830 hrs 16/03/2025 to 2000 hrs 16/03/2025.
The forecast capacity reserve requirement is 1817 MW.
The minimum capacity reserve available is 1159 MW.
Manager NEM Real Time Operations