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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
112364RESERVE NOTICE14/12/2023 06:16:35 PM
Cancellation of Actual (LOR2) condition in the NSW region - 14/12/2023
AEMO ELECTRICITY MARKET NOTICE
Cancellation of Actual (LOR2) condition in the NSW region - 14/12/2023
The Actual LOR2 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112362 is cancelled at 1810 hrs 14/12/2023.
Manager NEM Real Time Operations
Cancellation of Actual (LOR2) condition in the NSW region - 14/12/2023
The Actual LOR2 Condition in the NSW Region advised in AEMO Electricity Market Notice No.112362 is cancelled at 1810 hrs 14/12/2023.
Manager NEM Real Time Operations
112362RESERVE NOTICE14/12/2023 06:00:52 PM
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 14/12/2023
AEMO ELECTRICITY MARKET NOTICE
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 14/12/2023
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR2 condition is not forecast in Pre Dispatch
The capacity reserve required is 690 MW
The minimum reserve available is 678 MW
AEMO is seeking an immediate market response.
An insufficient market response may require AEMO to implement a AEMO intervention event.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 2 (LOR2) in the NSW region - 14/12/2023
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the NSW region from 1730 hrs.
The Actual LOR2 condition is not forecast in Pre Dispatch
The capacity reserve required is 690 MW
The minimum reserve available is 678 MW
AEMO is seeking an immediate market response.
An insufficient market response may require AEMO to implement a AEMO intervention event.
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
112165POWER SYSTEM EVENTS11/12/2023 06:36:10 AM
Non-credible contingency event - SA region - 11/12/2023
AEMO ELECTRICITY MARKET NOTICE.
Non-credible contingency event - SA region - 11/12/2023
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro 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 - 11/12/2023
At 0444 hrs the Mintaro - Waterloo 132 kV Line tripped and the Clare North - Mintaro 132 kV Line tripped at the Mintaro 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