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Update - Non-credible contingency event - NSW region - 23/01/2025
Update - Non-credible contingency event - NSW region - 23/01/2025
Refer AEMO Electricity Market Notice 123613
The cause of this non credible contingency event is not known at this stage.
AEMO is not satisfied that this non credible event is unlikely to re-occur.
AEMO has therefore reclassified this event as a credible contingency event until further notice.
Region: NSW
Elements: Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines
Duration: 0250 hrs 23/01/2025 until further notice
Constraint set(s) invoked: Nil
Manager NEM Real Time Operations
Non-credible contingency event - NSW region - 23/01/2025
Non-credible contingency event - NSW region - 23/01/2025
At 0240 hrs the Kempsey - Macksville 9W5 and the Kempsey - Raleigh 9W2 132kV Lines tripped and auto reclosed.
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
Cancellation of Actual (LOR1) condition in the QLD region - 22/01/2025
Cancellation of Actual (LOR1) condition in the QLD region - 22/01/2025
The Actual LOR1 Condition in the QLD Region advised in AEMO Electricity Market Notice No.123589 is cancelled at 2015 hrs 22/01/2025.
Manager NEM Real Time Operations
Cancellation -Inter-regional transfer limit variation - Constraint invocation to manage Power System Security in NSW region - 22/01/2025
Cancellation -Inter-regional transfer limit variation - Constraint invocation to manage Power System Security in NSW region - 22/01/2025
Refer to MN 123588
In order to maintain the power system in a secure operating state in the NSW region (Northern NSW) ,
AEMO has invoked constraint set #N-Q-MNSP1_E from 1720 hrs until 1845 hs 22/01/2025.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
Cancellation of Actual (LOR2) condition in the QLD region - 22/01/2025
Cancellation of Actual (LOR2) condition in the QLD region - 22/01/2025
The Actual LOR2 Condition in the QLD Region advised in AEMO Electricity Market Notice No.123594 is cancelled at 1945 hrs 22/01/2025.
Manager NEM Real Time Operations
Inter-regional transfer limit variation -Lismore No1 SVC - NSW region - 22/01/2025
Inter-regional transfer limit variation - Lismore No1 SVC - NSW region - 22/01/2025
A planned outage of Lismore No1 SVC in the NSW region was scheduled from 0620 hrs 08/01/2025 to 1600 hrs 24/01/2025.
The outage has been completed and Lismore No1 SVC returned to service at 1900 hrs 22/01/2025
Constraint set(s) revoked: N-LS_VC1
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 2 (LOR2) in the QLD region - 22/01/2025
Actual Lack Of Reserve Level 2 (LOR2) in the QLD region - 22/01/2025
An Actual LOR2 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1830 hrs.
The Actual LOR2 condition is forecast to exist until 1900 hrs.
The forecast capacity reserve requirement is 515 MW.
The minimum capacity reserve available is 395 MW.
AEMO is seeking an immediate market response.
An insufficient market response may require AEMO to implement an AEMO intervention event.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the QLD Region on 22/01/2025
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the QLD region for the following Period:
[1.] From 1830 hrs 22/01/2025 to 1900 hrs 22/01/2025.
The forecast capacity reserve requirement is 456 MW.
The minimum capacity reserve available is 343 MW.
AEMO is seeking a market response.
AEMO has not yet estimated the latest time at which it would need to intervene through an AEMO intervention event.
Manager NEM Real Time Operations
Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 22/01/2025
Actual Lack Of Reserve Level 1 (LOR1) in the QLD region - 22/01/2025
An Actual LOR1 condition has been declared under clause 4.8.4(b) of the National Electricity Rules for the QLD region from 1730 hrs.
The Actual LOR1 condition is forecast to exist until 1930 hrs
The capacity reserve requirement is 854 MW
The minimum capacity reserve available is 543 MW
Manager NEM Real Time Operations