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Non-credible contingency event - TAS region - 13/02/2024
Non-credible contingency event - TAS region - 13/02/2024
At 1602 hrs the Norwood -Scottsdale 110kV line and the Norwood - Scottsdale -Derby 110kV line tripped.
AEMO did not instruct load shedding.
AEMO has been advised 8MW of electrical load and 24MW of generation has been disconnected.
The cause of this non credible contingency event is not known at this stage.
Manager NEM Real Time Operations
Significant power system event - Victoria region - 13/02/2024
At 1308 hrs 13/02/2024 the Moorabool Sydenham No1 and No2 500 kV lines tripped.
There have been reports of towers on the ground.
In the Victorian region
1000 MW of customer load lost during the fault has been restored
2690 Generation tripped
The AEMO instructed loadshed of 300 MW is being progressively restored.
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
Load Shedding Direction in the Vic Region
Load Shedding Direction in the Vic Region
AEMO has directed load shedding commencing at 1420 hrs 13/02/2024
in the Victoria region to restore power system security.
The direction was issued under section 116 of the NEL, and was a clause 4.8.9 instruction under the NER.
Manager NEM Real Time Operations
INTENTION TO COMMENCE RERT CONTRACT NEGOTIATIONS
Reliability and Emergency Reserve Trader (RERT) Intention to negotiate for additional reserve - VIC1 Region- 13/02/2024
Refer to AEMO Electricity Market Notice no. 114589.
AEMO intends to commence negotiations with RERT Panel members for the provision of additional reserve by issuing requests for tender for the following period of time;
15:00 to 17:00 hrs 13/02/2024
If reserve is required, the period of activation or dispatch will be within this period but may not be for the entire period.
AEMO will issue a further advice if reserve is contracted.
Manager NEM Real Time Operations
INTENTION TO COMMENCE RERT CONTRACT NEGOTIATIONS
Reliability and Emergency Reserve Trader (RERT) Intention to negotiate for additional reserve - VIC1 Region- 13/02/2024
Refer to AEMO Electricity Market Notice no. 114589.
AEMO intends to commence negotiations with RERT Panel members for the provision of additional reserve by issuing requests for tender for the following period of time;
15:00 to 17:00 hrs 13/02/2024
If reserve is required, the period of activation or dispatch will be within this period but may not be for the entire period.
AEMO will issue a further advice if reserve is contracted.
Manager NEM Real Time Operations
PDPASA - Forecast Lack Of Reserve Level 2 (LOR2) in the VIC Region on 13/02/2024
AEMO declares a Forecast LOR2 condition under clause 4.8.4(b) of the National Electricity Rules for the VIC region for the following Period:
[1.] From 1430 hrs 13/02/2024 to 1600 hrs 13/02/2024.
The forecast capacity reserve requirement is 562 MW.
The minimum capacity reserve available is 384 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
Significant power system event - 13 Feb 2024
Significant power system event - 13 Feb 2024
At 1308 hrs 13/02/2024 a significant power system event occurred.
Description of event - Multiple tripping of generation and transmission lines in the Vic region
Transmission element(s) tripped - Moorabool Sydenham No1 and No2 500 kV lines tripped
Region/s - Vic
Load interrupted - in excess of 1000 MW
Generation volume tripped - 2300 MW
Updates will be provided as additional information becomes available.
This Market Notice is issued in accordance with NER clause 4.8.3.
Manager NEM Real Time Operations
PDPASA - Cancellation of the Forecast Lack Of Reserve Level 1 (LOR1) in the NSW Region on 13/02/2024
The Forecast LOR1 condition in the NSW region advised in AEMO Electricity Market Notice No. 114532 is cancelled at 1613 hrs 12/02/2024.
Manager NEM Real Time Operations
Direction - SA region 12/02/2024
Direction - SA region 12/02/2024
In accordance with section 116 of the National Electricity Law, AEMO has issued a direction to a participant in the SA region. For the purposes of the National Electricity Rules this is a direction under clause 4.8.9(a).
The direction was necessary to maintain the power system in a secure operating state.
AEMO may issue or revoke additional directions in order to meet the current requirement, unless sufficient market response is provided. A further market notice will be issued when all directions related to this requirement have been cancelled.
The issue of the direction commences an AEMO intervention event. AEMO declares all trading intervals during the event to be intervention trading intervals, commencing from the interval ending 1705 hrs on 12/02/2024.
Intervention pricing does not apply to this AEMO intervention event.
Manager NEM Real Time Operations