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123615POWER SYSTEM EVENTS23/01/2025 03:09:25 AM
Update - Non-credible contingency event - NSW region - 23/01/2025
AEMO ELECTRICITY MARKET NOTICE.
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
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
123613POWER SYSTEM EVENTS23/01/2025 03:02:44 AM
Non-credible contingency event - NSW region - 23/01/2025
AEMO ELECTRICITY MARKET NOTICE.
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
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
123601INTER-REGIONAL TRANSFER22/01/2025 08:11:14 PM
Cancellation -Inter-regional transfer limit variation - Constraint invocation to manage Power System Security in NSW region - 22/01/2025
AEMO ELECTRICITY MARKET NOTICE
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 -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
123597INTER-REGIONAL TRANSFER22/01/2025 07:53:16 PM
Inter-regional transfer limit variation -Lismore No1 SVC - NSW region - 22/01/2025
AEMO ELECTRICITY MARKET NOTICE
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
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
123588INTER-REGIONAL TRANSFER22/01/2025 05:29:02 PM
Inter-regional transfer limit variation - Constraint invocation to manage Power System Security in NSW region - 25/01/2025
AEMO ELECTRICITY MARKET NOTICE
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 further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
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 further notice.
This constraint set contains equations with the following interconnector on the LHS;
N-Q-MNSP1
Manager NEM Real Time Operations
123587RESERVE NOTICE22/01/2025 05:07:10 PM
PDPASA - Update of the Forecast Lack Of Reserve Level 1 (LOR1) in the Qld Region on 22/01/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the Qld region advised in AEMO Electricity Market Notice No. 123581 has been updated at 1650 hrs to the following:
From 1800 hrs 22/01/2025 to 1930 hrs 22/01/2025.
The forecast capacity reserve requirement is 856 MW.
The minimum capacity reserve available is 709 MW.
Manager NEM Real Time Operations
The Forecast LOR1 condition in the Qld region advised in AEMO Electricity Market Notice No. 123581 has been updated at 1650 hrs to the following:
From 1800 hrs 22/01/2025 to 1930 hrs 22/01/2025.
The forecast capacity reserve requirement is 856 MW.
The minimum capacity reserve available is 709 MW.
Manager NEM Real Time Operations
123581RESERVE NOTICE22/01/2025 03:50:15 PM
PDPASA - Forecast Lack Of Reserve Level 1 (LOR1) in the QLD Region on 22/01/2025
AEMO ELECTRICITY MARKET NOTICE
AEMO declares a Forecast LOR1 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 856 MW.
The minimum capacity reserve available is 809 MW.
Manager NEM Real Time Operations
AEMO declares a Forecast LOR1 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 856 MW.
The minimum capacity reserve available is 809 MW.
Manager NEM Real Time Operations
123554INTER-REGIONAL TRANSFER22/01/2025 10:40:43 AM
Inter-regional transfer limit variation -Bundy-Buronga (6F) 330 kV line - NSW region - 21/01/2025
AEMO ELECTRICITY MARKET NOTICE
Inter-regional transfer limit variation - - NSW region - 21/01/2025
At 1935 hrs 21/01/2025 there was a short notice outage of Bundy-Buronga (6F) 330 kV line
The following constraint set(s) invoked
I-BDBU_ONE
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,VIC1-NSW1,V-SA,T-V-MNSP1
The outage is scheduled to return to service at 1935 hrs 22/01/2025
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
Inter-regional transfer limit variation - - NSW region - 21/01/2025
At 1935 hrs 21/01/2025 there was a short notice outage of Bundy-Buronga (6F) 330 kV line
The following constraint set(s) invoked
I-BDBU_ONE
This constraint set(s) contains equations with the following interconnectors on the LHS.
V-S-MNSP1,VIC1-NSW1,V-SA,T-V-MNSP1
The outage is scheduled to return to service at 1935 hrs 22/01/2025
Refer to the AEMO Network Outage Scheduler for further information.
Manager NEM Real Time Operations
123545RESERVE NOTICE22/01/2025 06:27:05 AM
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the Qld Region on 22/01/2025
AEMO ELECTRICITY MARKET NOTICE
The Forecast LOR1 condition in the Qld region advised in AEMO Electricity Market Notice No. 123540 is cancelled at 0615 hrs 22/01/2025
Manager NEM Real Time Operations
The Forecast LOR1 condition in the Qld region advised in AEMO Electricity Market Notice No. 123540 is cancelled at 0615 hrs 22/01/2025
Manager NEM Real Time Operations