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113958RESERVE NOTICE29/01/2024 09:17:19 AM
STPASA - Suspect Lack Of Reserve Level 3 (LOR3) in the QLD Region on 01/02/2024
AEMO ELECTRICITY MARKET NOTICE
AEMO considers that there are suspect Forecast LOR3 conditions for the QLD region for the following periods:
1. From 0900 hrs to 1000 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 38 MW at 0930 hrs.
2. From 1130 hrs to 1200 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 62 MW at 1130 hrs.
AEMO is currently investigating these LOR3 forecast conditions to confirm whether they are valid.
AEMO Operations
AEMO considers that there are suspect Forecast LOR3 conditions for the QLD region for the following periods:
1. From 0900 hrs to 1000 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 38 MW at 0930 hrs.
2. From 1130 hrs to 1200 hrs 01/02/2024.
The maximum load (other than interruptible loads) forecast to be interrupted is 62 MW at 1130 hrs.
AEMO is currently investigating these LOR3 forecast conditions to confirm whether they are valid.
AEMO Operations
113860POWER SYSTEM EVENTS27/01/2024 02:49:35 PM
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Refer AEMO Electricity Market Notice 113825
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.
AEMO has received further information and now determines this was not a non-credible contingency event.
Manager NEM Real Time Operations
Cancellation - Non-credible contingency event - QLD region - 27/01/2024
Refer AEMO Electricity Market Notice 113825
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar tripped.
AEMO has received further information and now determines this was not a non-credible contingency event.
Manager NEM Real Time Operations
113825POWER SYSTEM EVENTS27/01/2024 01:57:16 AM
Non-credible contingency event - QLD region - 27/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 27/01/2024
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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
Non-credible contingency event - QLD region - 27/01/2024
At 0138 hrs the Gin Gin (H6) No.2 275 kV Busbar 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
113662POWER SYSTEM EVENTS23/01/2024 11:31:54 AM
Update - Non-credible contingency event - QLD region - 23/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - QLD region - 23/01/2024
Refer AEMO Electricity Market Notice 113659
At 1122 hrs the H35 Strathmore No2 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.
Nebo - Strathmore 878 275 kV line to remain out of service.
See Network Outage Scheduler (NOS) for further details.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
Update - Non-credible contingency event - QLD region - 23/01/2024
Refer AEMO Electricity Market Notice 113659
At 1122 hrs the H35 Strathmore No2 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.
Nebo - Strathmore 878 275 kV line to remain out of service.
See Network Outage Scheduler (NOS) for further details.
AEMO will not reclassify this event as a credible contingency event.
Manager NEM Real Time Operations
113659POWER SYSTEM EVENTS23/01/2024 10:20:24 AM
Non-credible contingency event - QLD region - 23/01/2024
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 23/01/2024
At 0957 hrs the Strathmore No 2 275 kV bus 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.
The following constraint set(s) invoked
Q-NESTM
Q-X_NQ_275_FDR+BUS
Manager NEM Real Time Operations
Non-credible contingency event - QLD region - 23/01/2024
At 0957 hrs the Strathmore No 2 275 kV bus 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.
The following constraint set(s) invoked
Q-NESTM
Q-X_NQ_275_FDR+BUS
Manager NEM Real Time Operations
112793POWER SYSTEM EVENTS27/12/2023 12:04:43 AM
Non-credible contingency event - QLD region - 26/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 26/12/2023
At 2345 hrs the Strathmore Clare South 7208 and the Strathmore Clare South Tee King Creek 7128 132kV 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
Non-credible contingency event - QLD region - 26/12/2023
At 2345 hrs the Strathmore Clare South 7208 and the Strathmore Clare South Tee King Creek 7128 132kV 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
112579POWER SYSTEM EVENTS21/12/2023 03:12:07 PM
Non-credible contingency event - QLD region - 21/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - QLD region - 21/12/2023
At 1424 hrs the H14 Middle Ridge 275 kV circuit breakers 5432 and 5422 tripped. This offloaded the H14 Middle Ridge No.2 and No.3 275/110 kV transformers.
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 - 21/12/2023
At 1424 hrs the H14 Middle Ridge 275 kV circuit breakers 5432 and 5422 tripped. This offloaded the H14 Middle Ridge No.2 and No.3 275/110 kV transformers.
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
112247POWER SYSTEM EVENTS13/12/2023 01:43:17 PM
Non-credible contingency event - TAS region - 13/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - TAS region - 13/12/2023
At 1324 hrs the Hadspen - Palmerston No.3 & No.4 110 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
Non-credible contingency event - TAS region - 13/12/2023
At 1324 hrs the Hadspen - Palmerston No.3 & No.4 110 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
112187POWER SYSTEM EVENTS11/12/2023 04:04:48 PM
Update - Non-credible contingency event - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Update - Non-credible contingency event - SA region - 11/12/2023
Refer AEMO Electricity Market Notice 112181
At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) revoked:
S-X-MNWT+CB
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 - 11/12/2023
Refer AEMO Electricity Market Notice 112181
At 1554 hrs the remaining Mintaro - Waterloo 132 kV Line was returned to service.
The following constraint set(s) revoked:
S-X-MNWT+CB
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