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110291POWER SYSTEM EVENTS17/10/2023 09:20:16 AM
Update - Non-credible contingency event - SA region - 17/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 17/10/2023
Refer AEMO Electricity Market Notice 110289
At 0845 hrs the Penola_W Kincraig 132kV line was returned to service.
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
Update - Non-credible contingency event - SA region - 17/10/2023
Refer AEMO Electricity Market Notice 110289
At 0845 hrs the Penola_W Kincraig 132kV line was returned to service.
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
110289POWER SYSTEM EVENTS17/10/2023 08:25:17 AM
Non-credible contingency event - SA region - 17/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 17/10/2023
At 0711 hrs the Penola_W Kincraig 132kV line offloaded at one end only, during switching for planned outage of Kincraig No.1 132/33/11kV transformer.
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
Non-credible contingency event - SA region - 17/10/2023
At 0711 hrs the Penola_W Kincraig 132kV line offloaded at one end only, during switching for planned outage of Kincraig No.1 132/33/11kV transformer.
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
110253POWER SYSTEM EVENTS13/10/2023 03:01:05 PM
Non-credible contingency event - SA region - 13/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 13/10/2023
At 1402 hrs, the Para 6543 275kV CB tripped offloading the Para No.2 275/66kV transformer at one end only.
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
Non-credible contingency event - SA region - 13/10/2023
At 1402 hrs, the Para 6543 275kV CB tripped offloading the Para No.2 275/66kV transformer at one end only.
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
110234POWER SYSTEM EVENTS12/10/2023 04:39:52 PM
Update - Non-credible contingency event - SA region - 12/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 12/10/2023
Refer AEMO Electricity Market Notice 110232
At 1609 hrs the South East Nos 1 and 2 SVCs were returned to service.
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
Update - Non-credible contingency event - SA region - 12/10/2023
Refer AEMO Electricity Market Notice 110232
At 1609 hrs the South East Nos 1 and 2 SVCs were returned to service.
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
110232POWER SYSTEM EVENTS12/10/2023 03:45:25 PM
Non-credible contingency event - SA region - 12/10/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 12/10/2023
At 1524 hrs the South East No1 SVC and the South East No2 SVC tripped.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Non-credible contingency event - SA region - 12/10/2023
At 1524 hrs the South East No1 SVC and the South East No2 SVC tripped.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
109815POWER SYSTEM EVENTS14/09/2023 07:27:56 PM
Update - Non-credible contingency event - SA region - 14/09/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 14/09/2023
Refer AEMO Electricity Market Notice 109807
At 1920 hrs the South East-Mayura-Snuggery 132kV LINE was returned to service.
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
Update - Non-credible contingency event - SA region - 14/09/2023
Refer AEMO Electricity Market Notice 109807
At 1920 hrs the South East-Mayura-Snuggery 132kV LINE was returned to service.
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
109807POWER SYSTEM EVENTS14/09/2023 04:40:27 PM
Non-credible contingency event - SA region - 14/09/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 14/09/2023
At 1450 hrs the Snuggery CBs 6131 and 6028 opened automatically, offloading the South East-Mayura-Snuggery 132kV LINE at the Snuggery end only.
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
Non-credible contingency event - SA region - 14/09/2023
At 1450 hrs the Snuggery CBs 6131 and 6028 opened automatically, offloading the South East-Mayura-Snuggery 132kV LINE at the Snuggery end only.
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
109789POWER SYSTEM EVENTS13/09/2023 01:59:35 PM
Non-credible contingency event - QLD region - 13/09/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 13/09/2023
At 1204 hrs the Ross No.1 275 kV SVC tripped during switching for the planned outage of Ross No.4 275/132 kV transformer.
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
Non-credible contingency event - QLD region - 13/09/2023
At 1204 hrs the Ross No.1 275 kV SVC tripped during switching for the planned outage of Ross No.4 275/132 kV transformer.
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
109563POWER SYSTEM EVENTS04/09/2023 01:53:34 PM
Update - Non-credible contingency event - SA region - 04/09/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 04/09/2023
Refer AEMO ELECTRICITY MARKET NOTICE MN 109561
At 1341 hrs the Tungkillo East 275 KV Bus was returned to service.
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
Update - Non-credible contingency event - SA region - 04/09/2023
Refer AEMO ELECTRICITY MARKET NOTICE MN 109561
At 1341 hrs the Tungkillo East 275 KV Bus was returned to service.
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