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Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024
Inter-regional transfer limit variation - Hummocks - Bungama 132kV line - SA region - 17/10/2024
At 1842 hrs 17/10/2024 there was an unplanned outage of Hummocks - Bungama 132kV line.
The following constraint set(s) invoked at 1850 hrs 17/10/2024
S-HUBG
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line- SA region - 17/10/2024
Inter-regional transfer limit variation - Blyth West - Munno Para 275kV line - SA region - 17/10/2024
At 1848 hrs 17/10/2024 there was an unplanned outage of Blyth West - Munno Para 275kV line.
The following constraint set(s) invoked at 1855 hrs 17/10/2024
S-BWMP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Moorabool to Sydenham 500 kV No.2 line - VIC region - 09/10/2024
Inter-regional transfer limit variation - Moorabool to Sydenham 500 kV No.2 line - VIC region - 09/10/2024
A planned outage of Moorabool to Sydenham 500 kV No.2 line in the VIC region was scheduled from 0600 hrs 01/10/2024 to 2030 hrs 11/10/2024.
The outage has been completed and Moorabool to Sydenham 500 kV No.2 line returned to service at 1940 hrs 09/10/2024
Constraint set(s) revoked: V-MLSY_NOEMTT_R
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Bannaby -Sydney West 39 330 kV line - NSW region - 03/10/2024
Inter-regional transfer limit variation - Bannaby -Sydney West 39 330 kV line- NSW region - 03/10/2024
A planned outage of Bannaby -Sydney West 39 330 kV line in the NSW region was scheduled from 0700 hrs 16/09/2024 to 1600 hrs 11/10/2024.
The outage has been completed and Bannaby -Sydney West 39 330 kV line returned to service at 0920 hrs 03/10/2024
Constraint set revoked: N-BYSW_39_15M
Manager NEM Real Time Operations
Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line- NSW region - 29/09/2024
Inter-regional transfer limit variation - Stockdill - Upper Tumut 1 330 kV line - NSW region - 29/09/2024
At 0313 hrs 29/09/2024 there was an unplanned outage of Stockdill - Upper Tumut 1 330 kV line.
The following constraint set invoked at 0320 hrs 29/09/2024
N-SDUT_1
This constraint set contains equations with the following interconnectors on the LHS.
V-S-MNSP1
VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
Refer AEMO Electricity Market Notice 118321
At 1446 hrs the Gordon - Chapel St No 1 and No 2 220 kV lines were returned to service.
This non-credible contingency event was caused by lightning. 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.
Manager NEM Real Time Operations
Update - Non-credible contingency event - TAS region - 19/09/2024
Update - Non-credible contingency event - TAS region - 19/09/2024
At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has advised of approximately 112 MW disconnection of bulk electrical load,
disconnection of generation at Studland Bay Wind generator (71 MW) and 23 MW generation reduction at Gordon Power station.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - TAS region - 19/09/2024
Non-credible contingency event - TAS region - 19/09/2024
At 1340 hrs the Gordon - Chapel St No1 and No 2 220 kV lines tripped.
AEMO did not instruct load shedding.
AEMO has not been advised of any disconnection of bulk electrical load.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Inter-regional transfer limit variation -South East to Tailem Bend No 1 275 KV Line - SA region - 17/09/2024
Inter-regional transfer limit variation - South East to Tailem Bend No 1 275 KV Line - SA region - 17/09/2024
At 1034 hrs 17/09/2024 there was a short notice outage of South East to Tailem Bend No 1 275 KV Line.
The following constraint set(s) invoked at 1035 hrs 20/09/2024
S-TBSE,
S-BC_CP
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-SA,NSW1-QLD1,T-V-MNSP1,V-S-MNSP1,VIC1-NSW1
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations